Home / 79,731.04-110,031.60-43,922.56

Finding the Fourth Proportional to 79,731.04, 110,031.60 and 43,922.56

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Solution

The fourth proportional to 79,731.04, 110,031.60 and 43,922.56 is: 60,614.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,731.04 : 110,031.60 = 43,922.56 : x
  2. Step 2: Convert to fraction form
    79,731.04/110,031.60 = 43,922.56/x
  3. Step 3: Cross multiply
    79,731.04x = 110,031.60 × 43,922.56
  4. Step 4: Simplify right side
    79,731.04x = 4,832,869,552.90
  5. Step 5: Solve for x
    x = 4,832,869,552.90/79,731.04
  6. Step 6: Final answer
    x = 60,614.66

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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.