Home / 86,965.24-120,012.48-49,246.84

Finding the Fourth Proportional to 86,965.24, 120,012.48 and 49,246.84

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Solution

The fourth proportional to 86,965.24, 120,012.48 and 49,246.84 is: 67,960.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,965.24 : 120,012.48 = 49,246.84 : x
  2. Step 2: Convert to fraction form
    86,965.24/120,012.48 = 49,246.84/x
  3. Step 3: Cross multiply
    86,965.24x = 120,012.48 × 49,246.84
  4. Step 4: Simplify right side
    86,965.24x = 5,910,235,400.56
  5. Step 5: Solve for x
    x = 5,910,235,400.56/86,965.24
  6. Step 6: Final answer
    x = 67,960.89

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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.