Home / 84,252.93-126,289.47-42,049.90

Finding the Fourth Proportional to 84,252.93, 126,289.47 and 42,049.90

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Solution

The fourth proportional to 84,252.93, 126,289.47 and 42,049.90 is: 63,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,252.93 : 126,289.47 = 42,049.90 : x
  2. Step 2: Convert to fraction form
    84,252.93/126,289.47 = 42,049.90/x
  3. Step 3: Cross multiply
    84,252.93x = 126,289.47 × 42,049.90
  4. Step 4: Simplify right side
    84,252.93x = 5,310,459,584.55
  5. Step 5: Solve for x
    x = 5,310,459,584.55/84,252.93
  6. Step 6: Final answer
    x = 63,029.97

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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.