Home / 84,214.12-126,333.66-28,035.88

Finding the Fourth Proportional to 84,214.12, 126,333.66 and 28,035.88

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Solution

The fourth proportional to 84,214.12, 126,333.66 and 28,035.88 is: 42,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,214.12 : 126,333.66 = 28,035.88 : x
  2. Step 2: Convert to fraction form
    84,214.12/126,333.66 = 28,035.88/x
  3. Step 3: Cross multiply
    84,214.12x = 126,333.66 × 28,035.88
  4. Step 4: Simplify right side
    84,214.12x = 3,541,875,331.72
  5. Step 5: Solve for x
    x = 3,541,875,331.72/84,214.12
  6. Step 6: Final answer
    x = 42,057.97

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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.