Home / 80,645.28-111,282-44,829.54

Finding the Fourth Proportional to 80,645.28, 111,282 and 44,829.54

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Solution

The fourth proportional to 80,645.28, 111,282 and 44,829.54 is: 61,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.28 : 111,282 = 44,829.54 : x
  2. Step 2: Convert to fraction form
    80,645.28/111,282 = 44,829.54/x
  3. Step 3: Cross multiply
    80,645.28x = 111,282 × 44,829.54
  4. Step 4: Simplify right side
    80,645.28x = 4,988,720,870.28
  5. Step 5: Solve for x
    x = 4,988,720,870.28/80,645.28
  6. Step 6: Final answer
    x = 61,860.05

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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.