Home / 88,380.36-121,962.46-48,093.20

Finding the Fourth Proportional to 88,380.36, 121,962.46 and 48,093.20

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Solution

The fourth proportional to 88,380.36, 121,962.46 and 48,093.20 is: 66,367.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,380.36 : 121,962.46 = 48,093.20 : x
  2. Step 2: Convert to fraction form
    88,380.36/121,962.46 = 48,093.20/x
  3. Step 3: Cross multiply
    88,380.36x = 121,962.46 × 48,093.20
  4. Step 4: Simplify right side
    88,380.36x = 5,865,564,981.27
  5. Step 5: Solve for x
    x = 5,865,564,981.27/88,380.36
  6. Step 6: Final answer
    x = 66,367.29

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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.