Home / 88,273.80-121,845.06-54,292.68

Finding the Fourth Proportional to 88,273.80, 121,845.06 and 54,292.68

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Solution

The fourth proportional to 88,273.80, 121,845.06 and 54,292.68 is: 74,940.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,273.80 : 121,845.06 = 54,292.68 : x
  2. Step 2: Convert to fraction form
    88,273.80/121,845.06 = 54,292.68/x
  3. Step 3: Cross multiply
    88,273.80x = 121,845.06 × 54,292.68
  4. Step 4: Simplify right side
    88,273.80x = 6,615,294,852.16
  5. Step 5: Solve for x
    x = 6,615,294,852.16/88,273.80
  6. Step 6: Final answer
    x = 74,940.64

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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.