Home / 84,402.15-126,665.43-40,029.03

Finding the Fourth Proportional to 84,402.15, 126,665.43 and 40,029.03

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Solution

The fourth proportional to 84,402.15, 126,665.43 and 40,029.03 is: 60,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,402.15 : 126,665.43 = 40,029.03 : x
  2. Step 2: Convert to fraction form
    84,402.15/126,665.43 = 40,029.03/x
  3. Step 3: Cross multiply
    84,402.15x = 126,665.43 × 40,029.03
  4. Step 4: Simplify right side
    84,402.15x = 5,070,294,297.43
  5. Step 5: Solve for x
    x = 5,070,294,297.43/84,402.15
  6. Step 6: Final answer
    x = 60,073.05

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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.