Home / 45,042.12-67,567.14-11,761.92

Finding the Fourth Proportional to 45,042.12, 67,567.14 and 11,761.92

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Solution

The fourth proportional to 45,042.12, 67,567.14 and 11,761.92 is: 17,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,042.12 : 67,567.14 = 11,761.92 : x
  2. Step 2: Convert to fraction form
    45,042.12/67,567.14 = 11,761.92/x
  3. Step 3: Cross multiply
    45,042.12x = 67,567.14 × 11,761.92
  4. Step 4: Simplify right side
    45,042.12x = 794,719,295.31
  5. Step 5: Solve for x
    x = 794,719,295.31/45,042.12
  6. Step 6: Final answer
    x = 17,643.91

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1.5x scale

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.