Home / 53,549.28-80,174.16-40,360.32

Finding the Fourth Proportional to 53,549.28, 80,174.16 and 40,360.32

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Solution

The fourth proportional to 53,549.28, 80,174.16 and 40,360.32 is: 60,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,549.28 : 80,174.16 = 40,360.32 : x
  2. Step 2: Convert to fraction form
    53,549.28/80,174.16 = 40,360.32/x
  3. Step 3: Cross multiply
    53,549.28x = 80,174.16 × 40,360.32
  4. Step 4: Simplify right side
    53,549.28x = 3,235,854,753.33
  5. Step 5: Solve for x
    x = 3,235,854,753.33/53,549.28
  6. Step 6: Final answer
    x = 60,427.61

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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.