Home / 113,595.43-156,761.70-65,876.46

Finding the Fourth Proportional to 113,595.43, 156,761.70 and 65,876.46

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Solution

The fourth proportional to 113,595.43, 156,761.70 and 65,876.46 is: 90,909.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,595.43 : 156,761.70 = 65,876.46 : x
  2. Step 2: Convert to fraction form
    113,595.43/156,761.70 = 65,876.46/x
  3. Step 3: Cross multiply
    113,595.43x = 156,761.70 × 65,876.46
  4. Step 4: Simplify right side
    113,595.43x = 10,326,905,859.58
  5. Step 5: Solve for x
    x = 10,326,905,859.58/113,595.43
  6. Step 6: Final answer
    x = 90,909.52

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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.