Home / 107,909.39-148,909.49-59,519.74

Finding the Fourth Proportional to 107,909.39, 148,909.49 and 59,519.74

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Solution

The fourth proportional to 107,909.39, 148,909.49 and 59,519.74 is: 82,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,909.39 : 148,909.49 = 59,519.74 : x
  2. Step 2: Convert to fraction form
    107,909.39/148,909.49 = 59,519.74/x
  3. Step 3: Cross multiply
    107,909.39x = 148,909.49 × 59,519.74
  4. Step 4: Simplify right side
    107,909.39x = 8,863,053,904.86
  5. Step 5: Solve for x
    x = 8,863,053,904.86/107,909.39
  6. Step 6: Final answer
    x = 82,134.22

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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.