Home / 98,340.94-147,371.89-75,766.22

Finding the Fourth Proportional to 98,340.94, 147,371.89 and 75,766.22

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Solution

The fourth proportional to 98,340.94, 147,371.89 and 75,766.22 is: 113,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,340.94 : 147,371.89 = 75,766.22 : x
  2. Step 2: Convert to fraction form
    98,340.94/147,371.89 = 75,766.22/x
  3. Step 3: Cross multiply
    98,340.94x = 147,371.89 × 75,766.22
  4. Step 4: Simplify right side
    98,340.94x = 11,165,811,039.56
  5. Step 5: Solve for x
    x = 11,165,811,039.56/98,340.94
  6. Step 6: Final answer
    x = 113,541.84

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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.