Home / 98,845.50-147,896.25-69,320.94

Finding the Fourth Proportional to 98,845.50, 147,896.25 and 69,320.94

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Solution

The fourth proportional to 98,845.50, 147,896.25 and 69,320.94 is: 103,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,845.50 : 147,896.25 = 69,320.94 : x
  2. Step 2: Convert to fraction form
    98,845.50/147,896.25 = 69,320.94/x
  3. Step 3: Cross multiply
    98,845.50x = 147,896.25 × 69,320.94
  4. Step 4: Simplify right side
    98,845.50x = 10,252,307,072.48
  5. Step 5: Solve for x
    x = 10,252,307,072.48/98,845.50
  6. Step 6: Final answer
    x = 103,720.52

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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.