Home / 56,753.28-78,323.04-32,883.12

Finding the Fourth Proportional to 56,753.28, 78,323.04 and 32,883.12

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Solution

The fourth proportional to 56,753.28, 78,323.04 and 32,883.12 is: 45,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,753.28 : 78,323.04 = 32,883.12 : x
  2. Step 2: Convert to fraction form
    56,753.28/78,323.04 = 32,883.12/x
  3. Step 3: Cross multiply
    56,753.28x = 78,323.04 × 32,883.12
  4. Step 4: Simplify right side
    56,753.28x = 2,575,505,923.08
  5. Step 5: Solve for x
    x = 2,575,505,923.08/56,753.28
  6. Step 6: Final answer
    x = 45,380.74

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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.