Home / 55,711.28-76,892.90-37,812.06

Finding the Fourth Proportional to 55,711.28, 76,892.90 and 37,812.06

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Solution

The fourth proportional to 55,711.28, 76,892.90 and 37,812.06 is: 52,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,711.28 : 76,892.90 = 37,812.06 : x
  2. Step 2: Convert to fraction form
    55,711.28/76,892.90 = 37,812.06/x
  3. Step 3: Cross multiply
    55,711.28x = 76,892.90 × 37,812.06
  4. Step 4: Simplify right side
    55,711.28x = 2,907,478,759.31
  5. Step 5: Solve for x
    x = 2,907,478,759.31/55,711.28
  6. Step 6: Final answer
    x = 52,188.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.