Home / 43,678.22-65,517.30-34,871.90

Finding the Fourth Proportional to 43,678.22, 65,517.30 and 34,871.90

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Solution

The fourth proportional to 43,678.22, 65,517.30 and 34,871.90 is: 52,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,678.22 : 65,517.30 = 34,871.90 : x
  2. Step 2: Convert to fraction form
    43,678.22/65,517.30 = 34,871.90/x
  3. Step 3: Cross multiply
    43,678.22x = 65,517.30 × 34,871.90
  4. Step 4: Simplify right side
    43,678.22x = 2,284,712,406.28
  5. Step 5: Solve for x
    x = 2,284,712,406.28/43,678.22
  6. Step 6: Final answer
    x = 52,307.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.