Home / 88,221.22-121,743.78-47,935.60

Finding the Fourth Proportional to 88,221.22, 121,743.78 and 47,935.60

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Solution

The fourth proportional to 88,221.22, 121,743.78 and 47,935.60 is: 66,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,221.22 : 121,743.78 = 47,935.60 : x
  2. Step 2: Convert to fraction form
    88,221.22/121,743.78 = 47,935.60/x
  3. Step 3: Cross multiply
    88,221.22x = 121,743.78 × 47,935.60
  4. Step 4: Simplify right side
    88,221.22x = 5,835,861,140.57
  5. Step 5: Solve for x
    x = 5,835,861,140.57/88,221.22
  6. Step 6: Final answer
    x = 66,150.31

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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.