Home / 71,101.84-98,118.66-39,270.10

Finding the Fourth Proportional to 71,101.84, 98,118.66 and 39,270.10

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Solution

The fourth proportional to 71,101.84, 98,118.66 and 39,270.10 is: 54,191.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,101.84 : 98,118.66 = 39,270.10 : x
  2. Step 2: Convert to fraction form
    71,101.84/98,118.66 = 39,270.10/x
  3. Step 3: Cross multiply
    71,101.84x = 98,118.66 × 39,270.10
  4. Step 4: Simplify right side
    71,101.84x = 3,853,129,590.07
  5. Step 5: Solve for x
    x = 3,853,129,590.07/71,101.84
  6. Step 6: Final answer
    x = 54,191.70

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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.