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Finding the Fourth Proportional to 68,908.89, 95,120.58 and 67,012.87

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Solution

The fourth proportional to 68,908.89, 95,120.58 and 67,012.87 is: 92,503.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,908.89 : 95,120.58 = 67,012.87 : x
  2. Step 2: Convert to fraction form
    68,908.89/95,120.58 = 67,012.87/x
  3. Step 3: Cross multiply
    68,908.89x = 95,120.58 × 67,012.87
  4. Step 4: Simplify right side
    68,908.89x = 6,374,303,061.86
  5. Step 5: Solve for x
    x = 6,374,303,061.86/68,908.89
  6. Step 6: Final answer
    x = 92,503.35

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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.