Home / 90,497.08-124,882.90-54,680.76

Finding the Fourth Proportional to 90,497.08, 124,882.90 and 54,680.76

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Solution

The fourth proportional to 90,497.08, 124,882.90 and 54,680.76 is: 75,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,497.08 : 124,882.90 = 54,680.76 : x
  2. Step 2: Convert to fraction form
    90,497.08/124,882.90 = 54,680.76/x
  3. Step 3: Cross multiply
    90,497.08x = 124,882.90 × 54,680.76
  4. Step 4: Simplify right side
    90,497.08x = 6,828,691,883.00
  5. Step 5: Solve for x
    x = 6,828,691,883.00/90,497.08
  6. Step 6: Final answer
    x = 75,457.59

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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.