Home / 43,142.88-64,702.45-27,324.19

Finding the Fourth Proportional to 43,142.88, 64,702.45 and 27,324.19

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Solution

The fourth proportional to 43,142.88, 64,702.45 and 27,324.19 is: 40,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,142.88 : 64,702.45 = 27,324.19 : x
  2. Step 2: Convert to fraction form
    43,142.88/64,702.45 = 27,324.19/x
  3. Step 3: Cross multiply
    43,142.88x = 64,702.45 × 27,324.19
  4. Step 4: Simplify right side
    43,142.88x = 1,767,941,634.65
  5. Step 5: Solve for x
    x = 1,767,941,634.65/43,142.88
  6. Step 6: Final answer
    x = 40,978.76

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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.