Home / 89,818.29-123,950.12-51,577.38

Finding the Fourth Proportional to 89,818.29, 123,950.12 and 51,577.38

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Solution

The fourth proportional to 89,818.29, 123,950.12 and 51,577.38 is: 71,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.29 : 123,950.12 = 51,577.38 : x
  2. Step 2: Convert to fraction form
    89,818.29/123,950.12 = 51,577.38/x
  3. Step 3: Cross multiply
    89,818.29x = 123,950.12 × 51,577.38
  4. Step 4: Simplify right side
    89,818.29x = 6,393,022,182.40
  5. Step 5: Solve for x
    x = 6,393,022,182.40/89,818.29
  6. Step 6: Final answer
    x = 71,177.29

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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.