Home / 88,942.61-122,738.63-54,500.74

Finding the Fourth Proportional to 88,942.61, 122,738.63 and 54,500.74

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Solution

The fourth proportional to 88,942.61, 122,738.63 and 54,500.74 is: 75,209.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,942.61 : 122,738.63 = 54,500.74 : x
  2. Step 2: Convert to fraction form
    88,942.61/122,738.63 = 54,500.74/x
  3. Step 3: Cross multiply
    88,942.61x = 122,738.63 × 54,500.74
  4. Step 4: Simplify right side
    88,942.61x = 6,689,345,927.44
  5. Step 5: Solve for x
    x = 6,689,345,927.44/88,942.61
  6. Step 6: Final answer
    x = 75,209.69

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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.