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Finding the Fourth Proportional to 68,510.75, 102,830.18 and 34,800.89

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Solution

The fourth proportional to 68,510.75, 102,830.18 and 34,800.89 is: 52,233.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,510.75 : 102,830.18 = 34,800.89 : x
  2. Step 2: Convert to fraction form
    68,510.75/102,830.18 = 34,800.89/x
  3. Step 3: Cross multiply
    68,510.75x = 102,830.18 × 34,800.89
  4. Step 4: Simplify right side
    68,510.75x = 3,578,581,094.70
  5. Step 5: Solve for x
    x = 3,578,581,094.70/68,510.75
  6. Step 6: Final answer
    x = 52,233.87

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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.