Home / 79,815.42-119,711.84-23,661.50

Finding the Fourth Proportional to 79,815.42, 119,711.84 and 23,661.50

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Solution

The fourth proportional to 79,815.42, 119,711.84 and 23,661.50 is: 35,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.42 : 119,711.84 = 23,661.50 : x
  2. Step 2: Convert to fraction form
    79,815.42/119,711.84 = 23,661.50/x
  3. Step 3: Cross multiply
    79,815.42x = 119,711.84 × 23,661.50
  4. Step 4: Simplify right side
    79,815.42x = 2,832,560,985.29
  5. Step 5: Solve for x
    x = 2,832,560,985.29/79,815.42
  6. Step 6: Final answer
    x = 35,488.89

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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.