Home / 86,331.58-119,121.78-48,090.18

Finding the Fourth Proportional to 86,331.58, 119,121.78 and 48,090.18

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Solution

The fourth proportional to 86,331.58, 119,121.78 and 48,090.18 is: 66,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,331.58 : 119,121.78 = 48,090.18 : x
  2. Step 2: Convert to fraction form
    86,331.58/119,121.78 = 48,090.18/x
  3. Step 3: Cross multiply
    86,331.58x = 119,121.78 × 48,090.18
  4. Step 4: Simplify right side
    86,331.58x = 5,728,587,842.12
  5. Step 5: Solve for x
    x = 5,728,587,842.12/86,331.58
  6. Step 6: Final answer
    x = 66,355.65

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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.