Home / 89,642.08-134,472.96-29,648.70

Finding the Fourth Proportional to 89,642.08, 134,472.96 and 29,648.70

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Solution

The fourth proportional to 89,642.08, 134,472.96 and 29,648.70 is: 44,476.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642.08 : 134,472.96 = 29,648.70 : x
  2. Step 2: Convert to fraction form
    89,642.08/134,472.96 = 29,648.70/x
  3. Step 3: Cross multiply
    89,642.08x = 134,472.96 × 29,648.70
  4. Step 4: Simplify right side
    89,642.08x = 3,986,947,776.79
  5. Step 5: Solve for x
    x = 3,986,947,776.79/89,642.08
  6. Step 6: Final answer
    x = 44,476.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.