Home / 88,119.36-121,604.40-50,393.52

Finding the Fourth Proportional to 88,119.36, 121,604.40 and 50,393.52

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Solution

The fourth proportional to 88,119.36, 121,604.40 and 50,393.52 is: 69,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,119.36 : 121,604.40 = 50,393.52 : x
  2. Step 2: Convert to fraction form
    88,119.36/121,604.40 = 50,393.52/x
  3. Step 3: Cross multiply
    88,119.36x = 121,604.40 × 50,393.52
  4. Step 4: Simplify right side
    88,119.36x = 6,128,073,763.49
  5. Step 5: Solve for x
    x = 6,128,073,763.49/88,119.36
  6. Step 6: Final answer
    x = 69,542.88

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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.