Home / 68,211.20-102,316.80-62,306.30

Finding the Fourth Proportional to 68,211.20, 102,316.80 and 62,306.30

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Solution

The fourth proportional to 68,211.20, 102,316.80 and 62,306.30 is: 93,459.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,211.20 : 102,316.80 = 62,306.30 : x
  2. Step 2: Convert to fraction form
    68,211.20/102,316.80 = 62,306.30/x
  3. Step 3: Cross multiply
    68,211.20x = 102,316.80 × 62,306.30
  4. Step 4: Simplify right side
    68,211.20x = 6,374,981,235.84
  5. Step 5: Solve for x
    x = 6,374,981,235.84/68,211.20
  6. Step 6: Final answer
    x = 93,459.45

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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.