Home / 83,729.30-125,655.91-46,321.27

Finding the Fourth Proportional to 83,729.30, 125,655.91 and 46,321.27

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Solution

The fourth proportional to 83,729.30, 125,655.91 and 46,321.27 is: 69,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,729.30 : 125,655.91 = 46,321.27 : x
  2. Step 2: Convert to fraction form
    83,729.30/125,655.91 = 46,321.27/x
  3. Step 3: Cross multiply
    83,729.30x = 125,655.91 × 46,321.27
  4. Step 4: Simplify right side
    83,729.30x = 5,820,540,904.26
  5. Step 5: Solve for x
    x = 5,820,540,904.26/83,729.30
  6. Step 6: Final answer
    x = 69,516.18

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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.