Home / 56,899.44-78,523.20-31,753.68

Finding the Fourth Proportional to 56,899.44, 78,523.20 and 31,753.68

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Solution

The fourth proportional to 56,899.44, 78,523.20 and 31,753.68 is: 43,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,899.44 : 78,523.20 = 31,753.68 : x
  2. Step 2: Convert to fraction form
    56,899.44/78,523.20 = 31,753.68/x
  3. Step 3: Cross multiply
    56,899.44x = 78,523.20 × 31,753.68
  4. Step 4: Simplify right side
    56,899.44x = 2,493,400,565.38
  5. Step 5: Solve for x
    x = 2,493,400,565.38/56,899.44
  6. Step 6: Final answer
    x = 43,821.18

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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.