Home / 89,445.29-123,437.45-49,160.48

Finding the Fourth Proportional to 89,445.29, 123,437.45 and 49,160.48

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Solution

The fourth proportional to 89,445.29, 123,437.45 and 49,160.48 is: 67,843.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,445.29 : 123,437.45 = 49,160.48 : x
  2. Step 2: Convert to fraction form
    89,445.29/123,437.45 = 49,160.48/x
  3. Step 3: Cross multiply
    89,445.29x = 123,437.45 × 49,160.48
  4. Step 4: Simplify right side
    89,445.29x = 6,068,244,291.98
  5. Step 5: Solve for x
    x = 6,068,244,291.98/89,445.29
  6. Step 6: Final answer
    x = 67,843.08

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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.