Home / 85,016.60-127,519.94-32,431.40

Finding the Fourth Proportional to 85,016.60, 127,519.94 and 32,431.40

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Solution

The fourth proportional to 85,016.60, 127,519.94 and 32,431.40 is: 48,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,016.60 : 127,519.94 = 32,431.40 : x
  2. Step 2: Convert to fraction form
    85,016.60/127,519.94 = 32,431.40/x
  3. Step 3: Cross multiply
    85,016.60x = 127,519.94 × 32,431.40
  4. Step 4: Simplify right side
    85,016.60x = 4,135,650,182.12
  5. Step 5: Solve for x
    x = 4,135,650,182.12/85,016.60
  6. Step 6: Final answer
    x = 48,645.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.