Home / 84,402.66-126,666.18-40,029.54

Finding the Fourth Proportional to 84,402.66, 126,666.18 and 40,029.54

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Solution

The fourth proportional to 84,402.66, 126,666.18 and 40,029.54 is: 60,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,402.66 : 126,666.18 = 40,029.54 : x
  2. Step 2: Convert to fraction form
    84,402.66/126,666.18 = 40,029.54/x
  3. Step 3: Cross multiply
    84,402.66x = 126,666.18 × 40,029.54
  4. Step 4: Simplify right side
    84,402.66x = 5,070,388,918.96
  5. Step 5: Solve for x
    x = 5,070,388,918.96/84,402.66
  6. Step 6: Final answer
    x = 60,073.80

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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.