Home / 88,398.41-121,986.07-48,112.25

Finding the Fourth Proportional to 88,398.41, 121,986.07 and 48,112.25

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Solution

The fourth proportional to 88,398.41, 121,986.07 and 48,112.25 is: 66,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,398.41 : 121,986.07 = 48,112.25 : x
  2. Step 2: Convert to fraction form
    88,398.41/121,986.07 = 48,112.25/x
  3. Step 3: Cross multiply
    88,398.41x = 121,986.07 × 48,112.25
  4. Step 4: Simplify right side
    88,398.41x = 5,869,023,566.15
  5. Step 5: Solve for x
    x = 5,869,023,566.15/88,398.41
  6. Step 6: Final answer
    x = 66,392.87

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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.