Home / 88,255.45-121,793.34-47,969.31

Finding the Fourth Proportional to 88,255.45, 121,793.34 and 47,969.31

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Solution

The fourth proportional to 88,255.45, 121,793.34 and 47,969.31 is: 66,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,255.45 : 121,793.34 = 47,969.31 : x
  2. Step 2: Convert to fraction form
    88,255.45/121,793.34 = 47,969.31/x
  3. Step 3: Cross multiply
    88,255.45x = 121,793.34 × 47,969.31
  4. Step 4: Simplify right side
    88,255.45x = 5,842,343,119.01
  5. Step 5: Solve for x
    x = 5,842,343,119.01/88,255.45
  6. Step 6: Final answer
    x = 66,198.10

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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.