Home / 80,374.72-110,890.56-48,531.52

Finding the Fourth Proportional to 80,374.72, 110,890.56 and 48,531.52

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Solution

The fourth proportional to 80,374.72, 110,890.56 and 48,531.52 is: 66,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,374.72 : 110,890.56 = 48,531.52 : x
  2. Step 2: Convert to fraction form
    80,374.72/110,890.56 = 48,531.52/x
  3. Step 3: Cross multiply
    80,374.72x = 110,890.56 × 48,531.52
  4. Step 4: Simplify right side
    80,374.72x = 5,381,687,430.45
  5. Step 5: Solve for x
    x = 5,381,687,430.45/80,374.72
  6. Step 6: Final answer
    x = 66,957.46

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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.