Home / 57,020.72-85,531.06-25,422.62

Finding the Fourth Proportional to 57,020.72, 85,531.06 and 25,422.62

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Solution

The fourth proportional to 57,020.72, 85,531.06 and 25,422.62 is: 38,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020.72 : 85,531.06 = 25,422.62 : x
  2. Step 2: Convert to fraction form
    57,020.72/85,531.06 = 25,422.62/x
  3. Step 3: Cross multiply
    57,020.72x = 85,531.06 × 25,422.62
  4. Step 4: Simplify right side
    57,020.72x = 2,174,423,636.58
  5. Step 5: Solve for x
    x = 2,174,423,636.58/57,020.72
  6. Step 6: Final answer
    x = 38,133.92

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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.