Home / 88,743.39-122,461.09-48,456.55

Finding the Fourth Proportional to 88,743.39, 122,461.09 and 48,456.55

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Solution

The fourth proportional to 88,743.39, 122,461.09 and 48,456.55 is: 66,867.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,743.39 : 122,461.09 = 48,456.55 : x
  2. Step 2: Convert to fraction form
    88,743.39/122,461.09 = 48,456.55/x
  3. Step 3: Cross multiply
    88,743.39x = 122,461.09 × 48,456.55
  4. Step 4: Simplify right side
    88,743.39x = 5,934,041,930.64
  5. Step 5: Solve for x
    x = 5,934,041,930.64/88,743.39
  6. Step 6: Final answer
    x = 66,867.42

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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.