Home / 57,445.23-86,079.83-38,655.75

Finding the Fourth Proportional to 57,445.23, 86,079.83 and 38,655.75

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Solution

The fourth proportional to 57,445.23, 86,079.83 and 38,655.75 is: 57,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,445.23 : 86,079.83 = 38,655.75 : x
  2. Step 2: Convert to fraction form
    57,445.23/86,079.83 = 38,655.75/x
  3. Step 3: Cross multiply
    57,445.23x = 86,079.83 × 38,655.75
  4. Step 4: Simplify right side
    57,445.23x = 3,327,480,195.24
  5. Step 5: Solve for x
    x = 3,327,480,195.24/57,445.23
  6. Step 6: Final answer
    x = 57,924.40

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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.