Home / 71,363.20-98,449.60-50,156.32

Finding the Fourth Proportional to 71,363.20, 98,449.60 and 50,156.32

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Solution

The fourth proportional to 71,363.20, 98,449.60 and 50,156.32 is: 69,193.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,363.20 : 98,449.60 = 50,156.32 : x
  2. Step 2: Convert to fraction form
    71,363.20/98,449.60 = 50,156.32/x
  3. Step 3: Cross multiply
    71,363.20x = 98,449.60 × 50,156.32
  4. Step 4: Simplify right side
    71,363.20x = 4,937,869,641.47
  5. Step 5: Solve for x
    x = 4,937,869,641.47/71,363.20
  6. Step 6: Final answer
    x = 69,193.50

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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.