Home / 83,213.12-114,827.40-47,396

Finding the Fourth Proportional to 83,213.12, 114,827.40 and 47,396

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Solution

The fourth proportional to 83,213.12, 114,827.40 and 47,396 is: 65,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,213.12 : 114,827.40 = 47,396 : x
  2. Step 2: Convert to fraction form
    83,213.12/114,827.40 = 47,396/x
  3. Step 3: Cross multiply
    83,213.12x = 114,827.40 × 47,396
  4. Step 4: Simplify right side
    83,213.12x = 5,442,359,450.40
  5. Step 5: Solve for x
    x = 5,442,359,450.40/83,213.12
  6. Step 6: Final answer
    x = 65,402.66

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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.