Home / 88,739.39-122,465.31-48,456.89

Finding the Fourth Proportional to 88,739.39, 122,465.31 and 48,456.89

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Solution

The fourth proportional to 88,739.39, 122,465.31 and 48,456.89 is: 66,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,739.39 : 122,465.31 = 48,456.89 : x
  2. Step 2: Convert to fraction form
    88,739.39/122,465.31 = 48,456.89/x
  3. Step 3: Cross multiply
    88,739.39x = 122,465.31 × 48,456.89
  4. Step 4: Simplify right side
    88,739.39x = 5,934,288,055.49
  5. Step 5: Solve for x
    x = 5,934,288,055.49/88,739.39
  6. Step 6: Final answer
    x = 66,873.21

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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.