Home / 47,739.68-71,653.28-25,578.08

Finding the Fourth Proportional to 47,739.68, 71,653.28 and 25,578.08

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Solution

The fourth proportional to 47,739.68, 71,653.28 and 25,578.08 is: 38,390.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,739.68 : 71,653.28 = 25,578.08 : x
  2. Step 2: Convert to fraction form
    47,739.68/71,653.28 = 25,578.08/x
  3. Step 3: Cross multiply
    47,739.68x = 71,653.28 × 25,578.08
  4. Step 4: Simplify right side
    47,739.68x = 1,832,753,328.10
  5. Step 5: Solve for x
    x = 1,832,753,328.10/47,739.68
  6. Step 6: Final answer
    x = 38,390.57

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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.