Home / 72,098.15-108,147.47-22,177.91

Finding the Fourth Proportional to 72,098.15, 108,147.47 and 22,177.91

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Solution

The fourth proportional to 72,098.15, 108,147.47 and 22,177.91 is: 33,266.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,098.15 : 108,147.47 = 22,177.91 : x
  2. Step 2: Convert to fraction form
    72,098.15/108,147.47 = 22,177.91/x
  3. Step 3: Cross multiply
    72,098.15x = 108,147.47 × 22,177.91
  4. Step 4: Simplify right side
    72,098.15x = 2,398,484,204.76
  5. Step 5: Solve for x
    x = 2,398,484,204.76/72,098.15
  6. Step 6: Final answer
    x = 33,266.93

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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.