Home / 86,981.41-120,028.04-48,735.56

Finding the Fourth Proportional to 86,981.41, 120,028.04 and 48,735.56

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Solution

The fourth proportional to 86,981.41, 120,028.04 and 48,735.56 is: 67,251.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,981.41 : 120,028.04 = 48,735.56 : x
  2. Step 2: Convert to fraction form
    86,981.41/120,028.04 = 48,735.56/x
  3. Step 3: Cross multiply
    86,981.41x = 120,028.04 × 48,735.56
  4. Step 4: Simplify right side
    86,981.41x = 5,849,633,745.10
  5. Step 5: Solve for x
    x = 5,849,633,745.10/86,981.41
  6. Step 6: Final answer
    x = 67,251.54

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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.