Home / 79,827.91-119,760.63-27,237.58

Finding the Fourth Proportional to 79,827.91, 119,760.63 and 27,237.58

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Solution

The fourth proportional to 79,827.91, 119,760.63 and 27,237.58 is: 40,862.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827.91 : 119,760.63 = 27,237.58 : x
  2. Step 2: Convert to fraction form
    79,827.91/119,760.63 = 27,237.58/x
  3. Step 3: Cross multiply
    79,827.91x = 119,760.63 × 27,237.58
  4. Step 4: Simplify right side
    79,827.91x = 3,261,989,740.48
  5. Step 5: Solve for x
    x = 3,261,989,740.48/79,827.91
  6. Step 6: Final answer
    x = 40,862.77

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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.