Home / 104,947.68-144,832.56-61,929.44

Finding the Fourth Proportional to 104,947.68, 144,832.56 and 61,929.44

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Solution

The fourth proportional to 104,947.68, 144,832.56 and 61,929.44 is: 85,465.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,947.68 : 144,832.56 = 61,929.44 : x
  2. Step 2: Convert to fraction form
    104,947.68/144,832.56 = 61,929.44/x
  3. Step 3: Cross multiply
    104,947.68x = 144,832.56 × 61,929.44
  4. Step 4: Simplify right side
    104,947.68x = 8,969,399,334.57
  5. Step 5: Solve for x
    x = 8,969,399,334.57/104,947.68
  6. Step 6: Final answer
    x = 85,465.44

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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.