Home / 56,731.24-78,286.40-32,865.60

Finding the Fourth Proportional to 56,731.24, 78,286.40 and 32,865.60

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Solution

The fourth proportional to 56,731.24, 78,286.40 and 32,865.60 is: 45,352.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,731.24 : 78,286.40 = 32,865.60 : x
  2. Step 2: Convert to fraction form
    56,731.24/78,286.40 = 32,865.60/x
  3. Step 3: Cross multiply
    56,731.24x = 78,286.40 × 32,865.60
  4. Step 4: Simplify right side
    56,731.24x = 2,572,929,319.97
  5. Step 5: Solve for x
    x = 2,572,929,319.97/56,731.24
  6. Step 6: Final answer
    x = 45,352.96

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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.