Home / 87,063.69-130,595.53-57,474.59

Finding the Fourth Proportional to 87,063.69, 130,595.53 and 57,474.59

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Solution

The fourth proportional to 87,063.69, 130,595.53 and 57,474.59 is: 86,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,063.69 : 130,595.53 = 57,474.59 : x
  2. Step 2: Convert to fraction form
    87,063.69/130,595.53 = 57,474.59/x
  3. Step 3: Cross multiply
    87,063.69x = 130,595.53 × 57,474.59
  4. Step 4: Simplify right side
    87,063.69x = 7,505,924,542.58
  5. Step 5: Solve for x
    x = 7,505,924,542.58/87,063.69
  6. Step 6: Final answer
    x = 86,211.88

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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.