Home / 103,360.73-142,629.05-58,035.15

Finding the Fourth Proportional to 103,360.73, 142,629.05 and 58,035.15

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Solution

The fourth proportional to 103,360.73, 142,629.05 and 58,035.15 is: 80,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,360.73 : 142,629.05 = 58,035.15 : x
  2. Step 2: Convert to fraction form
    103,360.73/142,629.05 = 58,035.15/x
  3. Step 3: Cross multiply
    103,360.73x = 142,629.05 × 58,035.15
  4. Step 4: Simplify right side
    103,360.73x = 8,277,498,456.20
  5. Step 5: Solve for x
    x = 8,277,498,456.20/103,360.73
  6. Step 6: Final answer
    x = 80,083.60

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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.