Home / 77,238.08-115,752.32-32,809.12

Finding the Fourth Proportional to 77,238.08, 115,752.32 and 32,809.12

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Solution

The fourth proportional to 77,238.08, 115,752.32 and 32,809.12 is: 49,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,238.08 : 115,752.32 = 32,809.12 : x
  2. Step 2: Convert to fraction form
    77,238.08/115,752.32 = 32,809.12/x
  3. Step 3: Cross multiply
    77,238.08x = 115,752.32 × 32,809.12
  4. Step 4: Simplify right side
    77,238.08x = 3,797,731,757.16
  5. Step 5: Solve for x
    x = 3,797,731,757.16/77,238.08
  6. Step 6: Final answer
    x = 49,169.16

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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.