Home / 66,337.79-91,546.17-36,123.10

Finding the Fourth Proportional to 66,337.79, 91,546.17 and 36,123.10

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Solution

The fourth proportional to 66,337.79, 91,546.17 and 36,123.10 is: 49,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,337.79 : 91,546.17 = 36,123.10 : x
  2. Step 2: Convert to fraction form
    66,337.79/91,546.17 = 36,123.10/x
  3. Step 3: Cross multiply
    66,337.79x = 91,546.17 × 36,123.10
  4. Step 4: Simplify right side
    66,337.79x = 3,306,931,089.20
  5. Step 5: Solve for x
    x = 3,306,931,089.20/66,337.79
  6. Step 6: Final answer
    x = 49,849.89

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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.