Home / 88,016.64-121,469.40-50,290.08

Finding the Fourth Proportional to 88,016.64, 121,469.40 and 50,290.08

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Solution

The fourth proportional to 88,016.64, 121,469.40 and 50,290.08 is: 69,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,016.64 : 121,469.40 = 50,290.08 : x
  2. Step 2: Convert to fraction form
    88,016.64/121,469.40 = 50,290.08/x
  3. Step 3: Cross multiply
    88,016.64x = 121,469.40 × 50,290.08
  4. Step 4: Simplify right side
    88,016.64x = 6,108,705,843.55
  5. Step 5: Solve for x
    x = 6,108,705,843.55/88,016.64
  6. Step 6: Final answer
    x = 69,403.99

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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.