Home / 83,877.20-115,737.36-48,060.32

Finding the Fourth Proportional to 83,877.20, 115,737.36 and 48,060.32

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Solution

The fourth proportional to 83,877.20, 115,737.36 and 48,060.32 is: 66,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,877.20 : 115,737.36 = 48,060.32 : x
  2. Step 2: Convert to fraction form
    83,877.20/115,737.36 = 48,060.32/x
  3. Step 3: Cross multiply
    83,877.20x = 115,737.36 × 48,060.32
  4. Step 4: Simplify right side
    83,877.20x = 5,562,374,557.56
  5. Step 5: Solve for x
    x = 5,562,374,557.56/83,877.20
  6. Step 6: Final answer
    x = 66,315.69

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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.