Home / 80,544.74-111,152.30-48,707.46

Finding the Fourth Proportional to 80,544.74, 111,152.30 and 48,707.46

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Solution

The fourth proportional to 80,544.74, 111,152.30 and 48,707.46 is: 67,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,544.74 : 111,152.30 = 48,707.46 : x
  2. Step 2: Convert to fraction form
    80,544.74/111,152.30 = 48,707.46/x
  3. Step 3: Cross multiply
    80,544.74x = 111,152.30 × 48,707.46
  4. Step 4: Simplify right side
    80,544.74x = 5,413,945,962.62
  5. Step 5: Solve for x
    x = 5,413,945,962.62/80,544.74
  6. Step 6: Final answer
    x = 67,216.63

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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.