Home / 88,680.36-122,381.51-48,396.72

Finding the Fourth Proportional to 88,680.36, 122,381.51 and 48,396.72

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Solution

The fourth proportional to 88,680.36, 122,381.51 and 48,396.72 is: 66,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.36 : 122,381.51 = 48,396.72 : x
  2. Step 2: Convert to fraction form
    88,680.36/122,381.51 = 48,396.72/x
  3. Step 3: Cross multiply
    88,680.36x = 122,381.51 × 48,396.72
  4. Step 4: Simplify right side
    88,680.36x = 5,922,863,430.66
  5. Step 5: Solve for x
    x = 5,922,863,430.66/88,680.36
  6. Step 6: Final answer
    x = 66,788.90

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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.