Home / 83,983.13-125,941.86-37,203.20

Finding the Fourth Proportional to 83,983.13, 125,941.86 and 37,203.20

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Solution

The fourth proportional to 83,983.13, 125,941.86 and 37,203.20 is: 55,790.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,983.13 : 125,941.86 = 37,203.20 : x
  2. Step 2: Convert to fraction form
    83,983.13/125,941.86 = 37,203.20/x
  3. Step 3: Cross multiply
    83,983.13x = 125,941.86 × 37,203.20
  4. Step 4: Simplify right side
    83,983.13x = 4,685,439,576.24
  5. Step 5: Solve for x
    x = 4,685,439,576.24/83,983.13
  6. Step 6: Final answer
    x = 55,790.25

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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.