Home / 80,622.75-111,268.41-48,809.19

Finding the Fourth Proportional to 80,622.75, 111,268.41 and 48,809.19

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Solution

The fourth proportional to 80,622.75, 111,268.41 and 48,809.19 is: 67,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,622.75 : 111,268.41 = 48,809.19 : x
  2. Step 2: Convert to fraction form
    80,622.75/111,268.41 = 48,809.19/x
  3. Step 3: Cross multiply
    80,622.75x = 111,268.41 × 48,809.19
  4. Step 4: Simplify right side
    80,622.75x = 5,430,920,964.69
  5. Step 5: Solve for x
    x = 5,430,920,964.69/80,622.75
  6. Step 6: Final answer
    x = 67,362.14

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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.