Home / 84,553.34-126,657.71-40,045.15

Finding the Fourth Proportional to 84,553.34, 126,657.71 and 40,045.15

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Solution

The fourth proportional to 84,553.34, 126,657.71 and 40,045.15 is: 59,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,553.34 : 126,657.71 = 40,045.15 : x
  2. Step 2: Convert to fraction form
    84,553.34/126,657.71 = 40,045.15/x
  3. Step 3: Cross multiply
    84,553.34x = 126,657.71 × 40,045.15
  4. Step 4: Simplify right side
    84,553.34x = 5,072,027,103.87
  5. Step 5: Solve for x
    x = 5,072,027,103.87/84,553.34
  6. Step 6: Final answer
    x = 59,986.13

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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.