Home / 80,807.30-111,529.65-48,993.62

Finding the Fourth Proportional to 80,807.30, 111,529.65 and 48,993.62

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Solution

The fourth proportional to 80,807.30, 111,529.65 and 48,993.62 is: 67,620.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,807.30 : 111,529.65 = 48,993.62 : x
  2. Step 2: Convert to fraction form
    80,807.30/111,529.65 = 48,993.62/x
  3. Step 3: Cross multiply
    80,807.30x = 111,529.65 × 48,993.62
  4. Step 4: Simplify right side
    80,807.30x = 5,464,241,290.83
  5. Step 5: Solve for x
    x = 5,464,241,290.83/80,807.30
  6. Step 6: Final answer
    x = 67,620.64

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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.