Home / 80,488.36-111,062.10-44,678.64

Finding the Fourth Proportional to 80,488.36, 111,062.10 and 44,678.64

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Solution

The fourth proportional to 80,488.36, 111,062.10 and 44,678.64 is: 61,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,488.36 : 111,062.10 = 44,678.64 : x
  2. Step 2: Convert to fraction form
    80,488.36/111,062.10 = 44,678.64/x
  3. Step 3: Cross multiply
    80,488.36x = 111,062.10 × 44,678.64
  4. Step 4: Simplify right side
    80,488.36x = 4,962,103,583.54
  5. Step 5: Solve for x
    x = 4,962,103,583.54/80,488.36
  6. Step 6: Final answer
    x = 61,649.95

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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.