Home / 91,462.76-137,192.70-29,132.36

Finding the Fourth Proportional to 91,462.76, 137,192.70 and 29,132.36

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Solution

The fourth proportional to 91,462.76, 137,192.70 and 29,132.36 is: 43,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,462.76 : 137,192.70 = 29,132.36 : x
  2. Step 2: Convert to fraction form
    91,462.76/137,192.70 = 29,132.36/x
  3. Step 3: Cross multiply
    91,462.76x = 137,192.70 × 29,132.36
  4. Step 4: Simplify right side
    91,462.76x = 3,996,747,125.77
  5. Step 5: Solve for x
    x = 3,996,747,125.77/91,462.76
  6. Step 6: Final answer
    x = 43,698.08

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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.