Home / 56,142.40-77,481.12-32,272.96

Finding the Fourth Proportional to 56,142.40, 77,481.12 and 32,272.96

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Solution

The fourth proportional to 56,142.40, 77,481.12 and 32,272.96 is: 44,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,142.40 : 77,481.12 = 32,272.96 : x
  2. Step 2: Convert to fraction form
    56,142.40/77,481.12 = 32,272.96/x
  3. Step 3: Cross multiply
    56,142.40x = 77,481.12 × 32,272.96
  4. Step 4: Simplify right side
    56,142.40x = 2,500,545,086.52
  5. Step 5: Solve for x
    x = 2,500,545,086.52/56,142.40
  6. Step 6: Final answer
    x = 44,539.33

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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.