Home / 83,671.24-115,466.94-47,859.04

Finding the Fourth Proportional to 83,671.24, 115,466.94 and 47,859.04

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Solution

The fourth proportional to 83,671.24, 115,466.94 and 47,859.04 is: 66,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,671.24 : 115,466.94 = 47,859.04 : x
  2. Step 2: Convert to fraction form
    83,671.24/115,466.94 = 47,859.04/x
  3. Step 3: Cross multiply
    83,671.24x = 115,466.94 × 47,859.04
  4. Step 4: Simplify right side
    83,671.24x = 5,526,136,900.14
  5. Step 5: Solve for x
    x = 5,526,136,900.14/83,671.24
  6. Step 6: Final answer
    x = 66,045.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.