Home / 83,077.60-124,682.64-43,657.84

Finding the Fourth Proportional to 83,077.60, 124,682.64 and 43,657.84

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Solution

The fourth proportional to 83,077.60, 124,682.64 and 43,657.84 is: 65,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,077.60 : 124,682.64 = 43,657.84 : x
  2. Step 2: Convert to fraction form
    83,077.60/124,682.64 = 43,657.84/x
  3. Step 3: Cross multiply
    83,077.60x = 124,682.64 × 43,657.84
  4. Step 4: Simplify right side
    83,077.60x = 5,443,374,747.90
  5. Step 5: Solve for x
    x = 5,443,374,747.90/83,077.60
  6. Step 6: Final answer
    x = 65,521.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.