Home / 91,369.04-137,105.40-36,003.92

Finding the Fourth Proportional to 91,369.04, 137,105.40 and 36,003.92

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Solution

The fourth proportional to 91,369.04, 137,105.40 and 36,003.92 is: 54,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,369.04 : 137,105.40 = 36,003.92 : x
  2. Step 2: Convert to fraction form
    91,369.04/137,105.40 = 36,003.92/x
  3. Step 3: Cross multiply
    91,369.04x = 137,105.40 × 36,003.92
  4. Step 4: Simplify right side
    91,369.04x = 4,936,331,853.17
  5. Step 5: Solve for x
    x = 4,936,331,853.17/91,369.04
  6. Step 6: Final answer
    x = 54,026.31

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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.