Home / 52,192.97-78,188.69-31,149.81

Finding the Fourth Proportional to 52,192.97, 78,188.69 and 31,149.81

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Solution

The fourth proportional to 52,192.97, 78,188.69 and 31,149.81 is: 46,664.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,192.97 : 78,188.69 = 31,149.81 : x
  2. Step 2: Convert to fraction form
    52,192.97/78,188.69 = 31,149.81/x
  3. Step 3: Cross multiply
    52,192.97x = 78,188.69 × 31,149.81
  4. Step 4: Simplify right side
    52,192.97x = 2,435,562,681.90
  5. Step 5: Solve for x
    x = 2,435,562,681.90/52,192.97
  6. Step 6: Final answer
    x = 46,664.58

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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.