Home / 49,871.10-68,847.54-38,515.14

Finding the Fourth Proportional to 49,871.10, 68,847.54 and 38,515.14

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Solution

The fourth proportional to 49,871.10, 68,847.54 and 38,515.14 is: 53,170.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,871.10 : 68,847.54 = 38,515.14 : x
  2. Step 2: Convert to fraction form
    49,871.10/68,847.54 = 38,515.14/x
  3. Step 3: Cross multiply
    49,871.10x = 68,847.54 × 38,515.14
  4. Step 4: Simplify right side
    49,871.10x = 2,651,672,641.76
  5. Step 5: Solve for x
    x = 2,651,672,641.76/49,871.10
  6. Step 6: Final answer
    x = 53,170.53

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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.