Home / 68,677.32-94,763.87-40,001.70

Finding the Fourth Proportional to 68,677.32, 94,763.87 and 40,001.70

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Solution

The fourth proportional to 68,677.32, 94,763.87 and 40,001.70 is: 55,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,677.32 : 94,763.87 = 40,001.70 : x
  2. Step 2: Convert to fraction form
    68,677.32/94,763.87 = 40,001.70/x
  3. Step 3: Cross multiply
    68,677.32x = 94,763.87 × 40,001.70
  4. Step 4: Simplify right side
    68,677.32x = 3,790,715,898.58
  5. Step 5: Solve for x
    x = 3,790,715,898.58/68,677.32
  6. Step 6: Final answer
    x = 55,196.04

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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.