Home / 83,860.74-115,725.92-48,071.84

Finding the Fourth Proportional to 83,860.74, 115,725.92 and 48,071.84

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Solution

The fourth proportional to 83,860.74, 115,725.92 and 48,071.84 is: 66,338.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,860.74 : 115,725.92 = 48,071.84 : x
  2. Step 2: Convert to fraction form
    83,860.74/115,725.92 = 48,071.84/x
  3. Step 3: Cross multiply
    83,860.74x = 115,725.92 × 48,071.84
  4. Step 4: Simplify right side
    83,860.74x = 5,563,157,910.09
  5. Step 5: Solve for x
    x = 5,563,157,910.09/83,860.74
  6. Step 6: Final answer
    x = 66,338.05

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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.