Home / 90,716.52-125,192.01-49,883.76

Finding the Fourth Proportional to 90,716.52, 125,192.01 and 49,883.76

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Solution

The fourth proportional to 90,716.52, 125,192.01 and 49,883.76 is: 68,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,716.52 : 125,192.01 = 49,883.76 : x
  2. Step 2: Convert to fraction form
    90,716.52/125,192.01 = 49,883.76/x
  3. Step 3: Cross multiply
    90,716.52x = 125,192.01 × 49,883.76
  4. Step 4: Simplify right side
    90,716.52x = 6,245,048,180.76
  5. Step 5: Solve for x
    x = 6,245,048,180.76/90,716.52
  6. Step 6: Final answer
    x = 68,841.36

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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.