Home / 71,176.24-98,232.96-40,960.90

Finding the Fourth Proportional to 71,176.24, 98,232.96 and 40,960.90

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Solution

The fourth proportional to 71,176.24, 98,232.96 and 40,960.90 is: 56,531.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176.24 : 98,232.96 = 40,960.90 : x
  2. Step 2: Convert to fraction form
    71,176.24/98,232.96 = 40,960.90/x
  3. Step 3: Cross multiply
    71,176.24x = 98,232.96 × 40,960.90
  4. Step 4: Simplify right side
    71,176.24x = 4,023,710,451.26
  5. Step 5: Solve for x
    x = 4,023,710,451.26/71,176.24
  6. Step 6: Final answer
    x = 56,531.65

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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.