Home / 68,217.70-102,326.55-62,312.80

Finding the Fourth Proportional to 68,217.70, 102,326.55 and 62,312.80

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Solution

The fourth proportional to 68,217.70, 102,326.55 and 62,312.80 is: 93,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,217.70 : 102,326.55 = 62,312.80 : x
  2. Step 2: Convert to fraction form
    68,217.70/102,326.55 = 62,312.80/x
  3. Step 3: Cross multiply
    68,217.70x = 102,326.55 × 62,312.80
  4. Step 4: Simplify right side
    68,217.70x = 6,376,253,844.84
  5. Step 5: Solve for x
    x = 6,376,253,844.84/68,217.70
  6. Step 6: Final answer
    x = 93,469.20

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1.5x scale

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.