Home / 82,777.68-124,182.92-32,881.28

Finding the Fourth Proportional to 82,777.68, 124,182.92 and 32,881.28

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Solution

The fourth proportional to 82,777.68, 124,182.92 and 32,881.28 is: 49,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,777.68 : 124,182.92 = 32,881.28 : x
  2. Step 2: Convert to fraction form
    82,777.68/124,182.92 = 32,881.28/x
  3. Step 3: Cross multiply
    82,777.68x = 124,182.92 × 32,881.28
  4. Step 4: Simplify right side
    82,777.68x = 4,083,292,825.03
  5. Step 5: Solve for x
    x = 4,083,292,825.03/82,777.68
  6. Step 6: Final answer
    x = 49,328.43

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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.