Home / 82,712.36-114,139.68-44,986.52

Finding the Fourth Proportional to 82,712.36, 114,139.68 and 44,986.52

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Solution

The fourth proportional to 82,712.36, 114,139.68 and 44,986.52 is: 62,079.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,712.36 : 114,139.68 = 44,986.52 : x
  2. Step 2: Convert to fraction form
    82,712.36/114,139.68 = 44,986.52/x
  3. Step 3: Cross multiply
    82,712.36x = 114,139.68 × 44,986.52
  4. Step 4: Simplify right side
    82,712.36x = 5,134,746,997.11
  5. Step 5: Solve for x
    x = 5,134,746,997.11/82,712.36
  6. Step 6: Final answer
    x = 62,079.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.