Home / 89,993.15-124,192.40-54,175.56

Finding the Fourth Proportional to 89,993.15, 124,192.40 and 54,175.56

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Solution

The fourth proportional to 89,993.15, 124,192.40 and 54,175.56 is: 74,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,993.15 : 124,192.40 = 54,175.56 : x
  2. Step 2: Convert to fraction form
    89,993.15/124,192.40 = 54,175.56/x
  3. Step 3: Cross multiply
    89,993.15x = 124,192.40 × 54,175.56
  4. Step 4: Simplify right side
    89,993.15x = 6,728,192,817.74
  5. Step 5: Solve for x
    x = 6,728,192,817.74/89,993.15
  6. Step 6: Final answer
    x = 74,763.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.