Home / 107,486.52-161,229.56-28,600.76

Finding the Fourth Proportional to 107,486.52, 161,229.56 and 28,600.76

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Solution

The fourth proportional to 107,486.52, 161,229.56 and 28,600.76 is: 42,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,486.52 : 161,229.56 = 28,600.76 : x
  2. Step 2: Convert to fraction form
    107,486.52/161,229.56 = 28,600.76/x
  3. Step 3: Cross multiply
    107,486.52x = 161,229.56 × 28,600.76
  4. Step 4: Simplify right side
    107,486.52x = 4,611,287,950.47
  5. Step 5: Solve for x
    x = 4,611,287,950.47/107,486.52
  6. Step 6: Final answer
    x = 42,901.08

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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.