Home / 57,499.32-86,261.70-20,057.88

Finding the Fourth Proportional to 57,499.32, 86,261.70 and 20,057.88

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Solution

The fourth proportional to 57,499.32, 86,261.70 and 20,057.88 is: 30,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,499.32 : 86,261.70 = 20,057.88 : x
  2. Step 2: Convert to fraction form
    57,499.32/86,261.70 = 20,057.88/x
  3. Step 3: Cross multiply
    57,499.32x = 86,261.70 × 20,057.88
  4. Step 4: Simplify right side
    57,499.32x = 1,730,226,827.20
  5. Step 5: Solve for x
    x = 1,730,226,827.20/57,499.32
  6. Step 6: Final answer
    x = 30,091.26

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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.