Home / 88,239.36-121,768.25-49,474.60

Finding the Fourth Proportional to 88,239.36, 121,768.25 and 49,474.60

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Solution

The fourth proportional to 88,239.36, 121,768.25 and 49,474.60 is: 68,273.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,239.36 : 121,768.25 = 49,474.60 : x
  2. Step 2: Convert to fraction form
    88,239.36/121,768.25 = 49,474.60/x
  3. Step 3: Cross multiply
    88,239.36x = 121,768.25 × 49,474.60
  4. Step 4: Simplify right side
    88,239.36x = 6,024,434,909.66
  5. Step 5: Solve for x
    x = 6,024,434,909.66/88,239.36
  6. Step 6: Final answer
    x = 68,273.78

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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.