Home / 86,982.33-120,035.55-48,742.19

Finding the Fourth Proportional to 86,982.33, 120,035.55 and 48,742.19

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Solution

The fourth proportional to 86,982.33, 120,035.55 and 48,742.19 is: 67,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,982.33 : 120,035.55 = 48,742.19 : x
  2. Step 2: Convert to fraction form
    86,982.33/120,035.55 = 48,742.19/x
  3. Step 3: Cross multiply
    86,982.33x = 120,035.55 × 48,742.19
  4. Step 4: Simplify right side
    86,982.33x = 5,850,795,584.85
  5. Step 5: Solve for x
    x = 5,850,795,584.85/86,982.33
  6. Step 6: Final answer
    x = 67,264.19

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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.