Home / 83,963.39-115,870.70-48,156.73

Finding the Fourth Proportional to 83,963.39, 115,870.70 and 48,156.73

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Solution

The fourth proportional to 83,963.39, 115,870.70 and 48,156.73 is: 66,456.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,963.39 : 115,870.70 = 48,156.73 : x
  2. Step 2: Convert to fraction form
    83,963.39/115,870.70 = 48,156.73/x
  3. Step 3: Cross multiply
    83,963.39x = 115,870.70 × 48,156.73
  4. Step 4: Simplify right side
    83,963.39x = 5,579,953,845.53
  5. Step 5: Solve for x
    x = 5,579,953,845.53/83,963.39
  6. Step 6: Final answer
    x = 66,456.99

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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.