Home / 103,335.79-142,593.54-58,003.38

Finding the Fourth Proportional to 103,335.79, 142,593.54 and 58,003.38

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Solution

The fourth proportional to 103,335.79, 142,593.54 and 58,003.38 is: 80,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,335.79 : 142,593.54 = 58,003.38 : x
  2. Step 2: Convert to fraction form
    103,335.79/142,593.54 = 58,003.38/x
  3. Step 3: Cross multiply
    103,335.79x = 142,593.54 × 58,003.38
  4. Step 4: Simplify right side
    103,335.79x = 8,270,907,286.17
  5. Step 5: Solve for x
    x = 8,270,907,286.17/103,335.79
  6. Step 6: Final answer
    x = 80,039.14

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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.