Home / 88,397.82-121,989.33-48,112.07

Finding the Fourth Proportional to 88,397.82, 121,989.33 and 48,112.07

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Solution

The fourth proportional to 88,397.82, 121,989.33 and 48,112.07 is: 66,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,397.82 : 121,989.33 = 48,112.07 : x
  2. Step 2: Convert to fraction form
    88,397.82/121,989.33 = 48,112.07/x
  3. Step 3: Cross multiply
    88,397.82x = 121,989.33 × 48,112.07
  4. Step 4: Simplify right side
    88,397.82x = 5,869,158,574.27
  5. Step 5: Solve for x
    x = 5,869,158,574.27/88,397.82
  6. Step 6: Final answer
    x = 66,394.83

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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.