Home / 57,702.10-86,591.94-20,262.46

Finding the Fourth Proportional to 57,702.10, 86,591.94 and 20,262.46

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Solution

The fourth proportional to 57,702.10, 86,591.94 and 20,262.46 is: 30,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.10 : 86,591.94 = 20,262.46 : x
  2. Step 2: Convert to fraction form
    57,702.10/86,591.94 = 20,262.46/x
  3. Step 3: Cross multiply
    57,702.10x = 86,591.94 × 20,262.46
  4. Step 4: Simplify right side
    57,702.10x = 1,754,565,720.57
  5. Step 5: Solve for x
    x = 1,754,565,720.57/57,702.10
  6. Step 6: Final answer
    x = 30,407.31

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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.