Home / 80,456.09-111,030.62-44,648.42

Finding the Fourth Proportional to 80,456.09, 111,030.62 and 44,648.42

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Solution

The fourth proportional to 80,456.09, 111,030.62 and 44,648.42 is: 61,615.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,456.09 : 111,030.62 = 44,648.42 : x
  2. Step 2: Convert to fraction form
    80,456.09/111,030.62 = 44,648.42/x
  3. Step 3: Cross multiply
    80,456.09x = 111,030.62 × 44,648.42
  4. Step 4: Simplify right side
    80,456.09x = 4,957,340,976.23
  5. Step 5: Solve for x
    x = 4,957,340,976.23/80,456.09
  6. Step 6: Final answer
    x = 61,615.49

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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.