Home / 68,900.46-95,080.11-42,087.84

Finding the Fourth Proportional to 68,900.46, 95,080.11 and 42,087.84

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Solution

The fourth proportional to 68,900.46, 95,080.11 and 42,087.84 is: 58,079.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,900.46 : 95,080.11 = 42,087.84 : x
  2. Step 2: Convert to fraction form
    68,900.46/95,080.11 = 42,087.84/x
  3. Step 3: Cross multiply
    68,900.46x = 95,080.11 × 42,087.84
  4. Step 4: Simplify right side
    68,900.46x = 4,001,716,456.86
  5. Step 5: Solve for x
    x = 4,001,716,456.86/68,900.46
  6. Step 6: Final answer
    x = 58,079.68

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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.