Home / 74,125.91-102,301.07-42,299.58

Finding the Fourth Proportional to 74,125.91, 102,301.07 and 42,299.58

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Solution

The fourth proportional to 74,125.91, 102,301.07 and 42,299.58 is: 58,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,125.91 : 102,301.07 = 42,299.58 : x
  2. Step 2: Convert to fraction form
    74,125.91/102,301.07 = 42,299.58/x
  3. Step 3: Cross multiply
    74,125.91x = 102,301.07 × 42,299.58
  4. Step 4: Simplify right side
    74,125.91x = 4,327,292,083.05
  5. Step 5: Solve for x
    x = 4,327,292,083.05/74,125.91
  6. Step 6: Final answer
    x = 58,377.60

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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.