Home / 91,367.04-137,102.40-36,001.92

Finding the Fourth Proportional to 91,367.04, 137,102.40 and 36,001.92

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Solution

The fourth proportional to 91,367.04, 137,102.40 and 36,001.92 is: 54,023.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,367.04 : 137,102.40 = 36,001.92 : x
  2. Step 2: Convert to fraction form
    91,367.04/137,102.40 = 36,001.92/x
  3. Step 3: Cross multiply
    91,367.04x = 137,102.40 × 36,001.92
  4. Step 4: Simplify right side
    91,367.04x = 4,935,949,636.61
  5. Step 5: Solve for x
    x = 4,935,949,636.61/91,367.04
  6. Step 6: Final answer
    x = 54,023.31

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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.