Home / 71,050.64-98,049.42-39,219.53

Finding the Fourth Proportional to 71,050.64, 98,049.42 and 39,219.53

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Solution

The fourth proportional to 71,050.64, 98,049.42 and 39,219.53 is: 54,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,050.64 : 98,049.42 = 39,219.53 : x
  2. Step 2: Convert to fraction form
    71,050.64/98,049.42 = 39,219.53/x
  3. Step 3: Cross multiply
    71,050.64x = 98,049.42 × 39,219.53
  4. Step 4: Simplify right side
    71,050.64x = 3,845,451,678.93
  5. Step 5: Solve for x
    x = 3,845,451,678.93/71,050.64
  6. Step 6: Final answer
    x = 54,122.69

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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.