Home / 83,835.75-115,634.75-55,146.36

Finding the Fourth Proportional to 83,835.75, 115,634.75 and 55,146.36

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Solution

The fourth proportional to 83,835.75, 115,634.75 and 55,146.36 is: 76,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,835.75 : 115,634.75 = 55,146.36 : x
  2. Step 2: Convert to fraction form
    83,835.75/115,634.75 = 55,146.36/x
  3. Step 3: Cross multiply
    83,835.75x = 115,634.75 × 55,146.36
  4. Step 4: Simplify right side
    83,835.75x = 6,376,835,276.28
  5. Step 5: Solve for x
    x = 6,376,835,276.28/83,835.75
  6. Step 6: Final answer
    x = 76,063.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.