Home / 80,619.12-111,258.63-44,809.83

Finding the Fourth Proportional to 80,619.12, 111,258.63 and 44,809.83

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Solution

The fourth proportional to 80,619.12, 111,258.63 and 44,809.83 is: 61,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,619.12 : 111,258.63 = 44,809.83 : x
  2. Step 2: Convert to fraction form
    80,619.12/111,258.63 = 44,809.83/x
  3. Step 3: Cross multiply
    80,619.12x = 111,258.63 × 44,809.83
  4. Step 4: Simplify right side
    80,619.12x = 4,985,480,296.33
  5. Step 5: Solve for x
    x = 4,985,480,296.33/80,619.12
  6. Step 6: Final answer
    x = 61,839.92

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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.