Home / 88,778.75-122,516.91-48,492.05

Finding the Fourth Proportional to 88,778.75, 122,516.91 and 48,492.05

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Solution

The fourth proportional to 88,778.75, 122,516.91 and 48,492.05 is: 66,920.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,778.75 : 122,516.91 = 48,492.05 : x
  2. Step 2: Convert to fraction form
    88,778.75/122,516.91 = 48,492.05/x
  3. Step 3: Cross multiply
    88,778.75x = 122,516.91 × 48,492.05
  4. Step 4: Simplify right side
    88,778.75x = 5,941,095,512.98
  5. Step 5: Solve for x
    x = 5,941,095,512.98/88,778.75
  6. Step 6: Final answer
    x = 66,920.25

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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.