Home / 71,824.06-99,117.24-39,995.92

Finding the Fourth Proportional to 71,824.06, 99,117.24 and 39,995.92

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Solution

The fourth proportional to 71,824.06, 99,117.24 and 39,995.92 is: 55,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,824.06 : 99,117.24 = 39,995.92 : x
  2. Step 2: Convert to fraction form
    71,824.06/99,117.24 = 39,995.92/x
  3. Step 3: Cross multiply
    71,824.06x = 99,117.24 × 39,995.92
  4. Step 4: Simplify right side
    71,824.06x = 3,964,285,201.66
  5. Step 5: Solve for x
    x = 3,964,285,201.66/71,824.06
  6. Step 6: Final answer
    x = 55,194.39

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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.