Home / 68,816.16-94,961.52-40,515.84

Finding the Fourth Proportional to 68,816.16, 94,961.52 and 40,515.84

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Solution

The fourth proportional to 68,816.16, 94,961.52 and 40,515.84 is: 55,909.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,816.16 : 94,961.52 = 40,515.84 : x
  2. Step 2: Convert to fraction form
    68,816.16/94,961.52 = 40,515.84/x
  3. Step 3: Cross multiply
    68,816.16x = 94,961.52 × 40,515.84
  4. Step 4: Simplify right side
    68,816.16x = 3,847,445,750.48
  5. Step 5: Solve for x
    x = 3,847,445,750.48/68,816.16
  6. Step 6: Final answer
    x = 55,909.04

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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.