Home / 89,575.40-123,550.52-76,053.38

Finding the Fourth Proportional to 89,575.40, 123,550.52 and 76,053.38

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Solution

The fourth proportional to 89,575.40, 123,550.52 and 76,053.38 is: 104,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,575.40 : 123,550.52 = 76,053.38 : x
  2. Step 2: Convert to fraction form
    89,575.40/123,550.52 = 76,053.38/x
  3. Step 3: Cross multiply
    89,575.40x = 123,550.52 × 76,053.38
  4. Step 4: Simplify right side
    89,575.40x = 9,396,434,646.76
  5. Step 5: Solve for x
    x = 9,396,434,646.76/89,575.40
  6. Step 6: Final answer
    x = 104,899.72

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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.