Home / 83,934.09-115,840.11-48,117.17

Finding the Fourth Proportional to 83,934.09, 115,840.11 and 48,117.17

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Solution

The fourth proportional to 83,934.09, 115,840.11 and 48,117.17 is: 66,408.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,934.09 : 115,840.11 = 48,117.17 : x
  2. Step 2: Convert to fraction form
    83,934.09/115,840.11 = 48,117.17/x
  3. Step 3: Cross multiply
    83,934.09x = 115,840.11 × 48,117.17
  4. Step 4: Simplify right side
    83,934.09x = 5,573,898,735.73
  5. Step 5: Solve for x
    x = 5,573,898,735.73/83,934.09
  6. Step 6: Final answer
    x = 66,408.04

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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.