Home / 86,383.67-119,213.15-48,143.25

Finding the Fourth Proportional to 86,383.67, 119,213.15 and 48,143.25

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Solution

The fourth proportional to 86,383.67, 119,213.15 and 48,143.25 is: 66,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,383.67 : 119,213.15 = 48,143.25 : x
  2. Step 2: Convert to fraction form
    86,383.67/119,213.15 = 48,143.25/x
  3. Step 3: Cross multiply
    86,383.67x = 119,213.15 × 48,143.25
  4. Step 4: Simplify right side
    86,383.67x = 5,739,308,243.02
  5. Step 5: Solve for x
    x = 5,739,308,243.02/86,383.67
  6. Step 6: Final answer
    x = 66,439.74

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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.