Home / 57,205.20-85,798.62-15,642.48

Finding the Fourth Proportional to 57,205.20, 85,798.62 and 15,642.48

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Solution

The fourth proportional to 57,205.20, 85,798.62 and 15,642.48 is: 23,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,205.20 : 85,798.62 = 15,642.48 : x
  2. Step 2: Convert to fraction form
    57,205.20/85,798.62 = 15,642.48/x
  3. Step 3: Cross multiply
    57,205.20x = 85,798.62 × 15,642.48
  4. Step 4: Simplify right side
    57,205.20x = 1,342,103,197.38
  5. Step 5: Solve for x
    x = 1,342,103,197.38/57,205.20
  6. Step 6: Final answer
    x = 23,461.21

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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.