Home / 57,029.72-85,543.14-15,475.64

Finding the Fourth Proportional to 57,029.72, 85,543.14 and 15,475.64

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Solution

The fourth proportional to 57,029.72, 85,543.14 and 15,475.64 is: 23,213.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,029.72 : 85,543.14 = 15,475.64 : x
  2. Step 2: Convert to fraction form
    57,029.72/85,543.14 = 15,475.64/x
  3. Step 3: Cross multiply
    57,029.72x = 85,543.14 × 15,475.64
  4. Step 4: Simplify right side
    57,029.72x = 1,323,834,839.11
  5. Step 5: Solve for x
    x = 1,323,834,839.11/57,029.72
  6. Step 6: Final answer
    x = 23,213.07

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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.