Home / 90,079.92-135,046.98-37,528.74

Finding the Fourth Proportional to 90,079.92, 135,046.98 and 37,528.74

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Solution

The fourth proportional to 90,079.92, 135,046.98 and 37,528.74 is: 56,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.92 : 135,046.98 = 37,528.74 : x
  2. Step 2: Convert to fraction form
    90,079.92/135,046.98 = 37,528.74/x
  3. Step 3: Cross multiply
    90,079.92x = 135,046.98 × 37,528.74
  4. Step 4: Simplify right side
    90,079.92x = 5,068,143,000.21
  5. Step 5: Solve for x
    x = 5,068,143,000.21/90,079.92
  6. Step 6: Final answer
    x = 56,262.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.