Home / 80,263.47-110,759.30-43,963.04

Finding the Fourth Proportional to 80,263.47, 110,759.30 and 43,963.04

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Solution

The fourth proportional to 80,263.47, 110,759.30 and 43,963.04 is: 60,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,263.47 : 110,759.30 = 43,963.04 : x
  2. Step 2: Convert to fraction form
    80,263.47/110,759.30 = 43,963.04/x
  3. Step 3: Cross multiply
    80,263.47x = 110,759.30 × 43,963.04
  4. Step 4: Simplify right side
    80,263.47x = 4,869,315,227.93
  5. Step 5: Solve for x
    x = 4,869,315,227.93/80,263.47
  6. Step 6: Final answer
    x = 60,666.64

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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.