Home / 68,711.22-103,534.87-56,504.65

Finding the Fourth Proportional to 68,711.22, 103,534.87 and 56,504.65

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Solution

The fourth proportional to 68,711.22, 103,534.87 and 56,504.65 is: 85,141.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,711.22 : 103,534.87 = 56,504.65 : x
  2. Step 2: Convert to fraction form
    68,711.22/103,534.87 = 56,504.65/x
  3. Step 3: Cross multiply
    68,711.22x = 103,534.87 × 56,504.65
  4. Step 4: Simplify right side
    68,711.22x = 5,850,201,592.15
  5. Step 5: Solve for x
    x = 5,850,201,592.15/68,711.22
  6. Step 6: Final answer
    x = 85,141.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.