Home / 52,195.47-78,192.43-31,152.31

Finding the Fourth Proportional to 52,195.47, 78,192.43 and 31,152.31

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Solution

The fourth proportional to 52,195.47, 78,192.43 and 31,152.31 is: 46,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,195.47 : 78,192.43 = 31,152.31 : x
  2. Step 2: Convert to fraction form
    52,195.47/78,192.43 = 31,152.31/x
  3. Step 3: Cross multiply
    52,195.47x = 78,192.43 × 31,152.31
  4. Step 4: Simplify right side
    52,195.47x = 2,435,874,819.01
  5. Step 5: Solve for x
    x = 2,435,874,819.01/52,195.47
  6. Step 6: Final answer
    x = 46,668.32

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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.