Home / 88,390.25-121,976.20-48,103.14

Finding the Fourth Proportional to 88,390.25, 121,976.20 and 48,103.14

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Solution

The fourth proportional to 88,390.25, 121,976.20 and 48,103.14 is: 66,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,390.25 : 121,976.20 = 48,103.14 : x
  2. Step 2: Convert to fraction form
    88,390.25/121,976.20 = 48,103.14/x
  3. Step 3: Cross multiply
    88,390.25x = 121,976.20 × 48,103.14
  4. Step 4: Simplify right side
    88,390.25x = 5,867,438,225.27
  5. Step 5: Solve for x
    x = 5,867,438,225.27/88,390.25
  6. Step 6: Final answer
    x = 66,381.06

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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.