Home / 86,401.44-119,238.48-48,679.20

Finding the Fourth Proportional to 86,401.44, 119,238.48 and 48,679.20

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Solution

The fourth proportional to 86,401.44, 119,238.48 and 48,679.20 is: 67,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,401.44 : 119,238.48 = 48,679.20 : x
  2. Step 2: Convert to fraction form
    86,401.44/119,238.48 = 48,679.20/x
  3. Step 3: Cross multiply
    86,401.44x = 119,238.48 × 48,679.20
  4. Step 4: Simplify right side
    86,401.44x = 5,804,433,815.62
  5. Step 5: Solve for x
    x = 5,804,433,815.62/86,401.44
  6. Step 6: Final answer
    x = 67,179.83

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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.