Home / 104,788.45-144,608.08-57,042.16

Finding the Fourth Proportional to 104,788.45, 144,608.08 and 57,042.16

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Solution

The fourth proportional to 104,788.45, 144,608.08 and 57,042.16 is: 78,718.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,788.45 : 144,608.08 = 57,042.16 : x
  2. Step 2: Convert to fraction form
    104,788.45/144,608.08 = 57,042.16/x
  3. Step 3: Cross multiply
    104,788.45x = 144,608.08 × 57,042.16
  4. Step 4: Simplify right side
    104,788.45x = 8,248,757,324.53
  5. Step 5: Solve for x
    x = 8,248,757,324.53/104,788.45
  6. Step 6: Final answer
    x = 78,718.19

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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.