Home / 57,444.12-86,177.12-17,990.64

Finding the Fourth Proportional to 57,444.12, 86,177.12 and 17,990.64

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Solution

The fourth proportional to 57,444.12, 86,177.12 and 17,990.64 is: 26,989.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,444.12 : 86,177.12 = 17,990.64 : x
  2. Step 2: Convert to fraction form
    57,444.12/86,177.12 = 17,990.64/x
  3. Step 3: Cross multiply
    57,444.12x = 86,177.12 × 17,990.64
  4. Step 4: Simplify right side
    57,444.12x = 1,550,381,452.20
  5. Step 5: Solve for x
    x = 1,550,381,452.20/57,444.12
  6. Step 6: Final answer
    x = 26,989.38

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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.