Home / 85,279.16-127,924.89-26,107.14

Finding the Fourth Proportional to 85,279.16, 127,924.89 and 26,107.14

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Solution

The fourth proportional to 85,279.16, 127,924.89 and 26,107.14 is: 39,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,279.16 : 127,924.89 = 26,107.14 : x
  2. Step 2: Convert to fraction form
    85,279.16/127,924.89 = 26,107.14/x
  3. Step 3: Cross multiply
    85,279.16x = 127,924.89 × 26,107.14
  4. Step 4: Simplify right side
    85,279.16x = 3,339,753,012.71
  5. Step 5: Solve for x
    x = 3,339,753,012.71/85,279.16
  6. Step 6: Final answer
    x = 39,162.59

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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.