Home / 71,380.83-98,545.37-48,753.75

Finding the Fourth Proportional to 71,380.83, 98,545.37 and 48,753.75

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Solution

The fourth proportional to 71,380.83, 98,545.37 and 48,753.75 is: 67,307.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,380.83 : 98,545.37 = 48,753.75 : x
  2. Step 2: Convert to fraction form
    71,380.83/98,545.37 = 48,753.75/x
  3. Step 3: Cross multiply
    71,380.83x = 98,545.37 × 48,753.75
  4. Step 4: Simplify right side
    71,380.83x = 4,804,456,088.87
  5. Step 5: Solve for x
    x = 4,804,456,088.87/71,380.83
  6. Step 6: Final answer
    x = 67,307.37

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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.