Home / 91,982.46-137,858.32-39,330.14

Finding the Fourth Proportional to 91,982.46, 137,858.32 and 39,330.14

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Solution

The fourth proportional to 91,982.46, 137,858.32 and 39,330.14 is: 58,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.46 : 137,858.32 = 39,330.14 : x
  2. Step 2: Convert to fraction form
    91,982.46/137,858.32 = 39,330.14/x
  3. Step 3: Cross multiply
    91,982.46x = 137,858.32 × 39,330.14
  4. Step 4: Simplify right side
    91,982.46x = 5,421,987,025.76
  5. Step 5: Solve for x
    x = 5,421,987,025.76/91,982.46
  6. Step 6: Final answer
    x = 58,945.88

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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.