Home / 96,942.57-145,453.94-42,878.84

Finding the Fourth Proportional to 96,942.57, 145,453.94 and 42,878.84

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Solution

The fourth proportional to 96,942.57, 145,453.94 and 42,878.84 is: 64,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,942.57 : 145,453.94 = 42,878.84 : x
  2. Step 2: Convert to fraction form
    96,942.57/145,453.94 = 42,878.84/x
  3. Step 3: Cross multiply
    96,942.57x = 145,453.94 × 42,878.84
  4. Step 4: Simplify right side
    96,942.57x = 6,236,895,278.97
  5. Step 5: Solve for x
    x = 6,236,895,278.97/96,942.57
  6. Step 6: Final answer
    x = 64,335.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.