Home / 71,206.30-98,262.75-39,374.11

Finding the Fourth Proportional to 71,206.30, 98,262.75 and 39,374.11

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Solution

The fourth proportional to 71,206.30, 98,262.75 and 39,374.11 is: 54,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,206.30 : 98,262.75 = 39,374.11 : x
  2. Step 2: Convert to fraction form
    71,206.30/98,262.75 = 39,374.11/x
  3. Step 3: Cross multiply
    71,206.30x = 98,262.75 × 39,374.11
  4. Step 4: Simplify right side
    71,206.30x = 3,869,008,327.40
  5. Step 5: Solve for x
    x = 3,869,008,327.40/71,206.30
  6. Step 6: Final answer
    x = 54,335.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.