Home / 108,529.92-149,772.78-60,782.94

Finding the Fourth Proportional to 108,529.92, 149,772.78 and 60,782.94

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Solution

The fourth proportional to 108,529.92, 149,772.78 and 60,782.94 is: 83,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,529.92 : 149,772.78 = 60,782.94 : x
  2. Step 2: Convert to fraction form
    108,529.92/149,772.78 = 60,782.94/x
  3. Step 3: Cross multiply
    108,529.92x = 149,772.78 × 60,782.94
  4. Step 4: Simplify right side
    108,529.92x = 9,103,629,900.37
  5. Step 5: Solve for x
    x = 9,103,629,900.37/108,529.92
  6. Step 6: Final answer
    x = 83,881.29

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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.