Home / 76,936.08-115,418.16-35,382

Finding the Fourth Proportional to 76,936.08, 115,418.16 and 35,382

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Solution

The fourth proportional to 76,936.08, 115,418.16 and 35,382 is: 53,079.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.08 : 115,418.16 = 35,382 : x
  2. Step 2: Convert to fraction form
    76,936.08/115,418.16 = 35,382/x
  3. Step 3: Cross multiply
    76,936.08x = 115,418.16 × 35,382
  4. Step 4: Simplify right side
    76,936.08x = 4,083,725,337.12
  5. Step 5: Solve for x
    x = 4,083,725,337.12/76,936.08
  6. Step 6: Final answer
    x = 53,079.46

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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.