Home / 91,284.78-125,972.98-50,998.56

Finding the Fourth Proportional to 91,284.78, 125,972.98 and 50,998.56

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Solution

The fourth proportional to 91,284.78, 125,972.98 and 50,998.56 is: 70,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,284.78 : 125,972.98 = 50,998.56 : x
  2. Step 2: Convert to fraction form
    91,284.78/125,972.98 = 50,998.56/x
  3. Step 3: Cross multiply
    91,284.78x = 125,972.98 × 50,998.56
  4. Step 4: Simplify right side
    91,284.78x = 6,424,440,578.91
  5. Step 5: Solve for x
    x = 6,424,440,578.91/91,284.78
  6. Step 6: Final answer
    x = 70,378.00

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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.