Home / 83,799.04-115,642.56-48,000.64

Finding the Fourth Proportional to 83,799.04, 115,642.56 and 48,000.64

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Solution

The fourth proportional to 83,799.04, 115,642.56 and 48,000.64 is: 66,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799.04 : 115,642.56 = 48,000.64 : x
  2. Step 2: Convert to fraction form
    83,799.04/115,642.56 = 48,000.64/x
  3. Step 3: Cross multiply
    83,799.04x = 115,642.56 × 48,000.64
  4. Step 4: Simplify right side
    83,799.04x = 5,550,916,891.24
  5. Step 5: Solve for x
    x = 5,550,916,891.24/83,799.04
  6. Step 6: Final answer
    x = 66,240.82

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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.