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Finding the Fourth Proportional to 68,000.10, 102,000.15 and 47,264.10

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Solution

The fourth proportional to 68,000.10, 102,000.15 and 47,264.10 is: 70,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.10 : 102,000.15 = 47,264.10 : x
  2. Step 2: Convert to fraction form
    68,000.10/102,000.15 = 47,264.10/x
  3. Step 3: Cross multiply
    68,000.10x = 102,000.15 × 47,264.10
  4. Step 4: Simplify right side
    68,000.10x = 4,820,945,289.62
  5. Step 5: Solve for x
    x = 4,820,945,289.62/68,000.10
  6. Step 6: Final answer
    x = 70,896.15

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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.