Home / 107,454.59-148,278.65-62,135.50

Finding the Fourth Proportional to 107,454.59, 148,278.65 and 62,135.50

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Solution

The fourth proportional to 107,454.59, 148,278.65 and 62,135.50 is: 85,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,454.59 : 148,278.65 = 62,135.50 : x
  2. Step 2: Convert to fraction form
    107,454.59/148,278.65 = 62,135.50/x
  3. Step 3: Cross multiply
    107,454.59x = 148,278.65 × 62,135.50
  4. Step 4: Simplify right side
    107,454.59x = 9,213,367,375.70
  5. Step 5: Solve for x
    x = 9,213,367,375.70/107,454.59
  6. Step 6: Final answer
    x = 85,741.97

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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.