Home / 76,515.40-114,773.10-23,930.20

Finding the Fourth Proportional to 76,515.40, 114,773.10 and 23,930.20

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Solution

The fourth proportional to 76,515.40, 114,773.10 and 23,930.20 is: 35,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,515.40 : 114,773.10 = 23,930.20 : x
  2. Step 2: Convert to fraction form
    76,515.40/114,773.10 = 23,930.20/x
  3. Step 3: Cross multiply
    76,515.40x = 114,773.10 × 23,930.20
  4. Step 4: Simplify right side
    76,515.40x = 2,746,543,237.62
  5. Step 5: Solve for x
    x = 2,746,543,237.62/76,515.40
  6. Step 6: Final answer
    x = 35,895.30

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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.