Home / 107,384.47-161,064.19-28,504.83

Finding the Fourth Proportional to 107,384.47, 161,064.19 and 28,504.83

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Solution

The fourth proportional to 107,384.47, 161,064.19 and 28,504.83 is: 42,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384.47 : 161,064.19 = 28,504.83 : x
  2. Step 2: Convert to fraction form
    107,384.47/161,064.19 = 28,504.83/x
  3. Step 3: Cross multiply
    107,384.47x = 161,064.19 × 28,504.83
  4. Step 4: Simplify right side
    107,384.47x = 4,591,107,355.04
  5. Step 5: Solve for x
    x = 4,591,107,355.04/107,384.47
  6. Step 6: Final answer
    x = 42,753.92

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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.