Home / 71,306.49-98,372.06-42,996.45

Finding the Fourth Proportional to 71,306.49, 98,372.06 and 42,996.45

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Solution

The fourth proportional to 71,306.49, 98,372.06 and 42,996.45 is: 59,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.49 : 98,372.06 = 42,996.45 : x
  2. Step 2: Convert to fraction form
    71,306.49/98,372.06 = 42,996.45/x
  3. Step 3: Cross multiply
    71,306.49x = 98,372.06 × 42,996.45
  4. Step 4: Simplify right side
    71,306.49x = 4,229,649,144.20
  5. Step 5: Solve for x
    x = 4,229,649,144.20/71,306.49
  6. Step 6: Final answer
    x = 59,316.47

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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.