Home / 80,629.07-111,272.05-44,818.31

Finding the Fourth Proportional to 80,629.07, 111,272.05 and 44,818.31

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Solution

The fourth proportional to 80,629.07, 111,272.05 and 44,818.31 is: 61,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,629.07 : 111,272.05 = 44,818.31 : x
  2. Step 2: Convert to fraction form
    80,629.07/111,272.05 = 44,818.31/x
  3. Step 3: Cross multiply
    80,629.07x = 111,272.05 × 44,818.31
  4. Step 4: Simplify right side
    80,629.07x = 4,987,025,691.49
  5. Step 5: Solve for x
    x = 4,987,025,691.49/80,629.07
  6. Step 6: Final answer
    x = 61,851.46

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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.