Home / 71,795.52-99,076.88-39,964.48

Finding the Fourth Proportional to 71,795.52, 99,076.88 and 39,964.48

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Solution

The fourth proportional to 71,795.52, 99,076.88 and 39,964.48 is: 55,150.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,795.52 : 99,076.88 = 39,964.48 : x
  2. Step 2: Convert to fraction form
    71,795.52/99,076.88 = 39,964.48/x
  3. Step 3: Cross multiply
    71,795.52x = 99,076.88 × 39,964.48
  4. Step 4: Simplify right side
    71,795.52x = 3,959,555,989.22
  5. Step 5: Solve for x
    x = 3,959,555,989.22/71,795.52
  6. Step 6: Final answer
    x = 55,150.46

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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.