Home / 79,780.29-119,671.69-23,626.11

Finding the Fourth Proportional to 79,780.29, 119,671.69 and 23,626.11

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Solution

The fourth proportional to 79,780.29, 119,671.69 and 23,626.11 is: 35,439.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,780.29 : 119,671.69 = 23,626.11 : x
  2. Step 2: Convert to fraction form
    79,780.29/119,671.69 = 23,626.11/x
  3. Step 3: Cross multiply
    79,780.29x = 119,671.69 × 23,626.11
  4. Step 4: Simplify right side
    79,780.29x = 2,827,375,969.32
  5. Step 5: Solve for x
    x = 2,827,375,969.32/79,780.29
  6. Step 6: Final answer
    x = 35,439.53

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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.