Home / 84,271.25-126,234.62-39,224.52

Finding the Fourth Proportional to 84,271.25, 126,234.62 and 39,224.52

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Solution

The fourth proportional to 84,271.25, 126,234.62 and 39,224.52 is: 58,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,271.25 : 126,234.62 = 39,224.52 : x
  2. Step 2: Convert to fraction form
    84,271.25/126,234.62 = 39,224.52/x
  3. Step 3: Cross multiply
    84,271.25x = 126,234.62 × 39,224.52
  4. Step 4: Simplify right side
    84,271.25x = 4,951,492,376.88
  5. Step 5: Solve for x
    x = 4,951,492,376.88/84,271.25
  6. Step 6: Final answer
    x = 58,756.60

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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.