Home / 89,508.84-123,473.52-55,505.76

Finding the Fourth Proportional to 89,508.84, 123,473.52 and 55,505.76

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Solution

The fourth proportional to 89,508.84, 123,473.52 and 55,505.76 is: 76,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,508.84 : 123,473.52 = 55,505.76 : x
  2. Step 2: Convert to fraction form
    89,508.84/123,473.52 = 55,505.76/x
  3. Step 3: Cross multiply
    89,508.84x = 123,473.52 × 55,505.76
  4. Step 4: Simplify right side
    89,508.84x = 6,853,491,567.48
  5. Step 5: Solve for x
    x = 6,853,491,567.48/89,508.84
  6. Step 6: Final answer
    x = 76,567.76

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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.