Home / 84,557.84-126,664.45-40,049.66

Finding the Fourth Proportional to 84,557.84, 126,664.45 and 40,049.66

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Solution

The fourth proportional to 84,557.84, 126,664.45 and 40,049.66 is: 59,992.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,557.84 : 126,664.45 = 40,049.66 : x
  2. Step 2: Convert to fraction form
    84,557.84/126,664.45 = 40,049.66/x
  3. Step 3: Cross multiply
    84,557.84x = 126,664.45 × 40,049.66
  4. Step 4: Simplify right side
    84,557.84x = 5,072,868,373.12
  5. Step 5: Solve for x
    x = 5,072,868,373.12/84,557.84
  6. Step 6: Final answer
    x = 59,992.88

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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.