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Finding the Fourth Proportional to 68,812.32, 95,000.40 and 52,649.88

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Solution

The fourth proportional to 68,812.32, 95,000.40 and 52,649.88 is: 72,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,812.32 : 95,000.40 = 52,649.88 : x
  2. Step 2: Convert to fraction form
    68,812.32/95,000.40 = 52,649.88/x
  3. Step 3: Cross multiply
    68,812.32x = 95,000.40 × 52,649.88
  4. Step 4: Simplify right side
    68,812.32x = 5,001,759,659.95
  5. Step 5: Solve for x
    x = 5,001,759,659.95/68,812.32
  6. Step 6: Final answer
    x = 72,686.98

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1.5x scale

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.