Home / 107,939.52-148,955.76-59,542.56

Finding the Fourth Proportional to 107,939.52, 148,955.76 and 59,542.56

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Solution

The fourth proportional to 107,939.52, 148,955.76 and 59,542.56 is: 82,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,939.52 : 148,955.76 = 59,542.56 : x
  2. Step 2: Convert to fraction form
    107,939.52/148,955.76 = 59,542.56/x
  3. Step 3: Cross multiply
    107,939.52x = 148,955.76 × 59,542.56
  4. Step 4: Simplify right side
    107,939.52x = 8,869,207,277.15
  5. Step 5: Solve for x
    x = 8,869,207,277.15/107,939.52
  6. Step 6: Final answer
    x = 82,168.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.