Home / 80,544.12-111,132.98-48,712.36

Finding the Fourth Proportional to 80,544.12, 111,132.98 and 48,712.36

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Solution

The fourth proportional to 80,544.12, 111,132.98 and 48,712.36 is: 67,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,544.12 : 111,132.98 = 48,712.36 : x
  2. Step 2: Convert to fraction form
    80,544.12/111,132.98 = 48,712.36/x
  3. Step 3: Cross multiply
    80,544.12x = 111,132.98 × 48,712.36
  4. Step 4: Simplify right side
    80,544.12x = 5,413,549,729.63
  5. Step 5: Solve for x
    x = 5,413,549,729.63/80,544.12
  6. Step 6: Final answer
    x = 67,212.23

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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.