Home / 49,455.72-74,117.97-42,850.98

Finding the Fourth Proportional to 49,455.72, 74,117.97 and 42,850.98

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Solution

The fourth proportional to 49,455.72, 74,117.97 and 42,850.98 is: 64,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.72 : 74,117.97 = 42,850.98 : x
  2. Step 2: Convert to fraction form
    49,455.72/74,117.97 = 42,850.98/x
  3. Step 3: Cross multiply
    49,455.72x = 74,117.97 × 42,850.98
  4. Step 4: Simplify right side
    49,455.72x = 3,176,027,650.11
  5. Step 5: Solve for x
    x = 3,176,027,650.11/49,455.72
  6. Step 6: Final answer
    x = 64,219.62

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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.