Home / 90,071.82-124,306.11-52,348.86

Finding the Fourth Proportional to 90,071.82, 124,306.11 and 52,348.86

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Solution

The fourth proportional to 90,071.82, 124,306.11 and 52,348.86 is: 72,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,071.82 : 124,306.11 = 52,348.86 : x
  2. Step 2: Convert to fraction form
    90,071.82/124,306.11 = 52,348.86/x
  3. Step 3: Cross multiply
    90,071.82x = 124,306.11 × 52,348.86
  4. Step 4: Simplify right side
    90,071.82x = 6,507,283,149.53
  5. Step 5: Solve for x
    x = 6,507,283,149.53/90,071.82
  6. Step 6: Final answer
    x = 72,245.49

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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.