Home / 88,538.20-122,168.85-49,768.35

Finding the Fourth Proportional to 88,538.20, 122,168.85 and 49,768.35

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Solution

The fourth proportional to 88,538.20, 122,168.85 and 49,768.35 is: 68,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,538.20 : 122,168.85 = 49,768.35 : x
  2. Step 2: Convert to fraction form
    88,538.20/122,168.85 = 49,768.35/x
  3. Step 3: Cross multiply
    88,538.20x = 122,168.85 × 49,768.35
  4. Step 4: Simplify right side
    88,538.20x = 6,080,141,441.13
  5. Step 5: Solve for x
    x = 6,080,141,441.13/88,538.20
  6. Step 6: Final answer
    x = 68,672.52

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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.