Home / 52,301.42-78,736.70-47,651.30

Finding the Fourth Proportional to 52,301.42, 78,736.70 and 47,651.30

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Solution

The fourth proportional to 52,301.42, 78,736.70 and 47,651.30 is: 71,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,301.42 : 78,736.70 = 47,651.30 : x
  2. Step 2: Convert to fraction form
    52,301.42/78,736.70 = 47,651.30/x
  3. Step 3: Cross multiply
    52,301.42x = 78,736.70 × 47,651.30
  4. Step 4: Simplify right side
    52,301.42x = 3,751,906,112.71
  5. Step 5: Solve for x
    x = 3,751,906,112.71/52,301.42
  6. Step 6: Final answer
    x = 71,736.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.