Home / 90,732.06-125,210.12-50,444.55

Finding the Fourth Proportional to 90,732.06, 125,210.12 and 50,444.55

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Solution

The fourth proportional to 90,732.06, 125,210.12 and 50,444.55 is: 69,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,732.06 : 125,210.12 = 50,444.55 : x
  2. Step 2: Convert to fraction form
    90,732.06/125,210.12 = 50,444.55/x
  3. Step 3: Cross multiply
    90,732.06x = 125,210.12 × 50,444.55
  4. Step 4: Simplify right side
    90,732.06x = 6,316,167,658.91
  5. Step 5: Solve for x
    x = 6,316,167,658.91/90,732.06
  6. Step 6: Final answer
    x = 69,613.41

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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.