Home / 99,278.01-137,006.96-58,434.74

Finding the Fourth Proportional to 99,278.01, 137,006.96 and 58,434.74

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Solution

The fourth proportional to 99,278.01, 137,006.96 and 58,434.74 is: 80,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,278.01 : 137,006.96 = 58,434.74 : x
  2. Step 2: Convert to fraction form
    99,278.01/137,006.96 = 58,434.74/x
  3. Step 3: Cross multiply
    99,278.01x = 137,006.96 × 58,434.74
  4. Step 4: Simplify right side
    99,278.01x = 8,005,965,108.58
  5. Step 5: Solve for x
    x = 8,005,965,108.58/99,278.01
  6. Step 6: Final answer
    x = 80,641.88

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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.