Home / 85,215.27-127,841.35-32,624.75

Finding the Fourth Proportional to 85,215.27, 127,841.35 and 32,624.75

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Solution

The fourth proportional to 85,215.27, 127,841.35 and 32,624.75 is: 48,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,215.27 : 127,841.35 = 32,624.75 : x
  2. Step 2: Convert to fraction form
    85,215.27/127,841.35 = 32,624.75/x
  3. Step 3: Cross multiply
    85,215.27x = 127,841.35 × 32,624.75
  4. Step 4: Simplify right side
    85,215.27x = 4,170,792,083.41
  5. Step 5: Solve for x
    x = 4,170,792,083.41/85,215.27
  6. Step 6: Final answer
    x = 48,944.19

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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.