Home / 82,727.34-124,143.51-35,342.79

Finding the Fourth Proportional to 82,727.34, 124,143.51 and 35,342.79

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Solution

The fourth proportional to 82,727.34, 124,143.51 and 35,342.79 is: 53,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,727.34 : 124,143.51 = 35,342.79 : x
  2. Step 2: Convert to fraction form
    82,727.34/124,143.51 = 35,342.79/x
  3. Step 3: Cross multiply
    82,727.34x = 124,143.51 × 35,342.79
  4. Step 4: Simplify right side
    82,727.34x = 4,387,577,871.26
  5. Step 5: Solve for x
    x = 4,387,577,871.26/82,727.34
  6. Step 6: Final answer
    x = 53,036.61

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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.