Home / 107,489.80-148,279.26-63,857.44

Finding the Fourth Proportional to 107,489.80, 148,279.26 and 63,857.44

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Solution

The fourth proportional to 107,489.80, 148,279.26 and 63,857.44 is: 88,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,489.80 : 148,279.26 = 63,857.44 : x
  2. Step 2: Convert to fraction form
    107,489.80/148,279.26 = 63,857.44/x
  3. Step 3: Cross multiply
    107,489.80x = 148,279.26 × 63,857.44
  4. Step 4: Simplify right side
    107,489.80x = 9,468,733,948.69
  5. Step 5: Solve for x
    x = 9,468,733,948.69/107,489.80
  6. Step 6: Final answer
    x = 88,089.60

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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.