Home / 79,252.70-118,860.18-31,867.90

Finding the Fourth Proportional to 79,252.70, 118,860.18 and 31,867.90

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Solution

The fourth proportional to 79,252.70, 118,860.18 and 31,867.90 is: 47,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.70 : 118,860.18 = 31,867.90 : x
  2. Step 2: Convert to fraction form
    79,252.70/118,860.18 = 31,867.90/x
  3. Step 3: Cross multiply
    79,252.70x = 118,860.18 × 31,867.90
  4. Step 4: Simplify right side
    79,252.70x = 3,787,823,913.57
  5. Step 5: Solve for x
    x = 3,787,823,913.57/79,252.70
  6. Step 6: Final answer
    x = 47,794.26

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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.