Home / 95,065.13-142,593.37-31,880.39

Finding the Fourth Proportional to 95,065.13, 142,593.37 and 31,880.39

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Solution

The fourth proportional to 95,065.13, 142,593.37 and 31,880.39 is: 47,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,065.13 : 142,593.37 = 31,880.39 : x
  2. Step 2: Convert to fraction form
    95,065.13/142,593.37 = 31,880.39/x
  3. Step 3: Cross multiply
    95,065.13x = 142,593.37 × 31,880.39
  4. Step 4: Simplify right side
    95,065.13x = 4,545,932,247.01
  5. Step 5: Solve for x
    x = 4,545,932,247.01/95,065.13
  6. Step 6: Final answer
    x = 47,819.13

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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.