Home / 85,299.13-127,948.69-29,895.13

Finding the Fourth Proportional to 85,299.13, 127,948.69 and 29,895.13

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Solution

The fourth proportional to 85,299.13, 127,948.69 and 29,895.13 is: 44,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.13 : 127,948.69 = 29,895.13 : x
  2. Step 2: Convert to fraction form
    85,299.13/127,948.69 = 29,895.13/x
  3. Step 3: Cross multiply
    85,299.13x = 127,948.69 × 29,895.13
  4. Step 4: Simplify right side
    85,299.13x = 3,825,042,720.88
  5. Step 5: Solve for x
    x = 3,825,042,720.88/85,299.13
  6. Step 6: Final answer
    x = 44,842.69

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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.