Home / 83,827.18-115,652.13-47,523.31

Finding the Fourth Proportional to 83,827.18, 115,652.13 and 47,523.31

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Solution

The fourth proportional to 83,827.18, 115,652.13 and 47,523.31 is: 65,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827.18 : 115,652.13 = 47,523.31 : x
  2. Step 2: Convert to fraction form
    83,827.18/115,652.13 = 47,523.31/x
  3. Step 3: Cross multiply
    83,827.18x = 115,652.13 × 47,523.31
  4. Step 4: Simplify right side
    83,827.18x = 5,496,171,692.47
  5. Step 5: Solve for x
    x = 5,496,171,692.47/83,827.18
  6. Step 6: Final answer
    x = 65,565.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.