Home / 107,478.29-161,217.25-28,592.52

Finding the Fourth Proportional to 107,478.29, 161,217.25 and 28,592.52

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Solution

The fourth proportional to 107,478.29, 161,217.25 and 28,592.52 is: 42,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,478.29 : 161,217.25 = 28,592.52 : x
  2. Step 2: Convert to fraction form
    107,478.29/161,217.25 = 28,592.52/x
  3. Step 3: Cross multiply
    107,478.29x = 161,217.25 × 28,592.52
  4. Step 4: Simplify right side
    107,478.29x = 4,609,607,444.97
  5. Step 5: Solve for x
    x = 4,609,607,444.97/107,478.29
  6. Step 6: Final answer
    x = 42,888.73

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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.