Home / 52,215.44-78,331.32-17,147.12

Finding the Fourth Proportional to 52,215.44, 78,331.32 and 17,147.12

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Solution

The fourth proportional to 52,215.44, 78,331.32 and 17,147.12 is: 25,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.44 : 78,331.32 = 17,147.12 : x
  2. Step 2: Convert to fraction form
    52,215.44/78,331.32 = 17,147.12/x
  3. Step 3: Cross multiply
    52,215.44x = 78,331.32 × 17,147.12
  4. Step 4: Simplify right side
    52,215.44x = 1,343,156,543.80
  5. Step 5: Solve for x
    x = 1,343,156,543.80/52,215.44
  6. Step 6: Final answer
    x = 25,723.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.