Home / 79,746.38-119,638.10-27,156.32

Finding the Fourth Proportional to 79,746.38, 119,638.10 and 27,156.32

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Solution

The fourth proportional to 79,746.38, 119,638.10 and 27,156.32 is: 40,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.38 : 119,638.10 = 27,156.32 : x
  2. Step 2: Convert to fraction form
    79,746.38/119,638.10 = 27,156.32/x
  3. Step 3: Cross multiply
    79,746.38x = 119,638.10 × 27,156.32
  4. Step 4: Simplify right side
    79,746.38x = 3,248,930,527.79
  5. Step 5: Solve for x
    x = 3,248,930,527.79/79,746.38
  6. Step 6: Final answer
    x = 40,740.79

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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.