Home / 95,974.85-143,931.06-31,915.76

Finding the Fourth Proportional to 95,974.85, 143,931.06 and 31,915.76

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Solution

The fourth proportional to 95,974.85, 143,931.06 and 31,915.76 is: 47,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,974.85 : 143,931.06 = 31,915.76 : x
  2. Step 2: Convert to fraction form
    95,974.85/143,931.06 = 31,915.76/x
  3. Step 3: Cross multiply
    95,974.85x = 143,931.06 × 31,915.76
  4. Step 4: Simplify right side
    95,974.85x = 4,593,668,447.85
  5. Step 5: Solve for x
    x = 4,593,668,447.85/95,974.85
  6. Step 6: Final answer
    x = 47,863.25

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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.