Home / 86,514.61-129,725.65-44,377.47

Finding the Fourth Proportional to 86,514.61, 129,725.65 and 44,377.47

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Solution

The fourth proportional to 86,514.61, 129,725.65 and 44,377.47 is: 66,542.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,514.61 : 129,725.65 = 44,377.47 : x
  2. Step 2: Convert to fraction form
    86,514.61/129,725.65 = 44,377.47/x
  3. Step 3: Cross multiply
    86,514.61x = 129,725.65 × 44,377.47
  4. Step 4: Simplify right side
    86,514.61x = 5,756,896,141.11
  5. Step 5: Solve for x
    x = 5,756,896,141.11/86,514.61
  6. Step 6: Final answer
    x = 66,542.47

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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.