Home / 104,587.83-156,632.31-57,132.09

Finding the Fourth Proportional to 104,587.83, 156,632.31 and 57,132.09

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Solution

The fourth proportional to 104,587.83, 156,632.31 and 57,132.09 is: 85,561.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,587.83 : 156,632.31 = 57,132.09 : x
  2. Step 2: Convert to fraction form
    104,587.83/156,632.31 = 57,132.09/x
  3. Step 3: Cross multiply
    104,587.83x = 156,632.31 × 57,132.09
  4. Step 4: Simplify right side
    104,587.83x = 8,948,731,231.83
  5. Step 5: Solve for x
    x = 8,948,731,231.83/104,587.83
  6. Step 6: Final answer
    x = 85,561.88

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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.