Home / 83,156.28-114,723.10-51,269.82

Finding the Fourth Proportional to 83,156.28, 114,723.10 and 51,269.82

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Solution

The fourth proportional to 83,156.28, 114,723.10 and 51,269.82 is: 70,732.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,156.28 : 114,723.10 = 51,269.82 : x
  2. Step 2: Convert to fraction form
    83,156.28/114,723.10 = 51,269.82/x
  3. Step 3: Cross multiply
    83,156.28x = 114,723.10 × 51,269.82
  4. Step 4: Simplify right side
    83,156.28x = 5,881,832,686.84
  5. Step 5: Solve for x
    x = 5,881,832,686.84/83,156.28
  6. Step 6: Final answer
    x = 70,732.27

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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.