Home / 107,538.80-148,399.28-59,788.64

Finding the Fourth Proportional to 107,538.80, 148,399.28 and 59,788.64

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Solution

The fourth proportional to 107,538.80, 148,399.28 and 59,788.64 is: 82,505.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538.80 : 148,399.28 = 59,788.64 : x
  2. Step 2: Convert to fraction form
    107,538.80/148,399.28 = 59,788.64/x
  3. Step 3: Cross multiply
    107,538.80x = 148,399.28 × 59,788.64
  4. Step 4: Simplify right side
    107,538.80x = 8,872,591,128.18
  5. Step 5: Solve for x
    x = 8,872,591,128.18/107,538.80
  6. Step 6: Final answer
    x = 82,505.95

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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.