Home / 88,208.27-121,728.27-47,922.35

Finding the Fourth Proportional to 88,208.27, 121,728.27 and 47,922.35

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Solution

The fourth proportional to 88,208.27, 121,728.27 and 47,922.35 is: 66,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,208.27 : 121,728.27 = 47,922.35 : x
  2. Step 2: Convert to fraction form
    88,208.27/121,728.27 = 47,922.35/x
  3. Step 3: Cross multiply
    88,208.27x = 121,728.27 × 47,922.35
  4. Step 4: Simplify right side
    88,208.27x = 5,833,504,759.83
  5. Step 5: Solve for x
    x = 5,833,504,759.83/88,208.27
  6. Step 6: Final answer
    x = 66,133.31

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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.