Home / 103,414.54-142,712.64-58,094.44

Finding the Fourth Proportional to 103,414.54, 142,712.64 and 58,094.44

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Solution

The fourth proportional to 103,414.54, 142,712.64 and 58,094.44 is: 80,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,414.54 : 142,712.64 = 58,094.44 : x
  2. Step 2: Convert to fraction form
    103,414.54/142,712.64 = 58,094.44/x
  3. Step 3: Cross multiply
    103,414.54x = 142,712.64 × 58,094.44
  4. Step 4: Simplify right side
    103,414.54x = 8,290,810,901.72
  5. Step 5: Solve for x
    x = 8,290,810,901.72/103,414.54
  6. Step 6: Final answer
    x = 80,170.65

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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.