Home / 47,950.08-71,916.46-12,881.53

Finding the Fourth Proportional to 47,950.08, 71,916.46 and 12,881.53

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Solution

The fourth proportional to 47,950.08, 71,916.46 and 12,881.53 is: 19,319.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,950.08 : 71,916.46 = 12,881.53 : x
  2. Step 2: Convert to fraction form
    47,950.08/71,916.46 = 12,881.53/x
  3. Step 3: Cross multiply
    47,950.08x = 71,916.46 × 12,881.53
  4. Step 4: Simplify right side
    47,950.08x = 926,394,094.68
  5. Step 5: Solve for x
    x = 926,394,094.68/47,950.08
  6. Step 6: Final answer
    x = 19,319.97

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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.