Home / 71,557.62-98,715.21-50,348.58

Finding the Fourth Proportional to 71,557.62, 98,715.21 and 50,348.58

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Solution

The fourth proportional to 71,557.62, 98,715.21 and 50,348.58 is: 69,456.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557.62 : 98,715.21 = 50,348.58 : x
  2. Step 2: Convert to fraction form
    71,557.62/98,715.21 = 50,348.58/x
  3. Step 3: Cross multiply
    71,557.62x = 98,715.21 × 50,348.58
  4. Step 4: Simplify right side
    71,557.62x = 4,970,170,647.90
  5. Step 5: Solve for x
    x = 4,970,170,647.90/71,557.62
  6. Step 6: Final answer
    x = 69,456.90

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1.5x scale

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.