Home / 83,628.06-115,414.92-47,823.36

Finding the Fourth Proportional to 83,628.06, 115,414.92 and 47,823.36

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Solution

The fourth proportional to 83,628.06, 115,414.92 and 47,823.36 is: 66,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,628.06 : 115,414.92 = 47,823.36 : x
  2. Step 2: Convert to fraction form
    83,628.06/115,414.92 = 47,823.36/x
  3. Step 3: Cross multiply
    83,628.06x = 115,414.92 × 47,823.36
  4. Step 4: Simplify right side
    83,628.06x = 5,519,529,268.53
  5. Step 5: Solve for x
    x = 5,519,529,268.53/83,628.06
  6. Step 6: Final answer
    x = 66,000.92

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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.