Home / 89,937.23-124,123.88-74,803.19

Finding the Fourth Proportional to 89,937.23, 124,123.88 and 74,803.19

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Solution

The fourth proportional to 89,937.23, 124,123.88 and 74,803.19 is: 103,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.23 : 124,123.88 = 74,803.19 : x
  2. Step 2: Convert to fraction form
    89,937.23/124,123.88 = 74,803.19/x
  3. Step 3: Cross multiply
    89,937.23x = 124,123.88 × 74,803.19
  4. Step 4: Simplify right side
    89,937.23x = 9,284,861,805.16
  5. Step 5: Solve for x
    x = 9,284,861,805.16/89,937.23
  6. Step 6: Final answer
    x = 103,237.13

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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.