Home / 88,250.54-121,785.53-47,964.33

Finding the Fourth Proportional to 88,250.54, 121,785.53 and 47,964.33

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Solution

The fourth proportional to 88,250.54, 121,785.53 and 47,964.33 is: 66,190.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,250.54 : 121,785.53 = 47,964.33 : x
  2. Step 2: Convert to fraction form
    88,250.54/121,785.53 = 47,964.33/x
  3. Step 3: Cross multiply
    88,250.54x = 121,785.53 × 47,964.33
  4. Step 4: Simplify right side
    88,250.54x = 5,841,361,110.32
  5. Step 5: Solve for x
    x = 5,841,361,110.32/88,250.54
  6. Step 6: Final answer
    x = 66,190.66

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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.