Home / 76,579.98-114,869.90-23,993.57

Finding the Fourth Proportional to 76,579.98, 114,869.90 and 23,993.57

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Solution

The fourth proportional to 76,579.98, 114,869.90 and 23,993.57 is: 35,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,579.98 : 114,869.90 = 23,993.57 : x
  2. Step 2: Convert to fraction form
    76,579.98/114,869.90 = 23,993.57/x
  3. Step 3: Cross multiply
    76,579.98x = 114,869.90 × 23,993.57
  4. Step 4: Simplify right side
    76,579.98x = 2,756,138,472.18
  5. Step 5: Solve for x
    x = 2,756,138,472.18/76,579.98
  6. Step 6: Final answer
    x = 35,990.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.