Home / 106,135.17-146,468.81-58,388.50

Finding the Fourth Proportional to 106,135.17, 146,468.81 and 58,388.50

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Solution

The fourth proportional to 106,135.17, 146,468.81 and 58,388.50 is: 80,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.17 : 146,468.81 = 58,388.50 : x
  2. Step 2: Convert to fraction form
    106,135.17/146,468.81 = 58,388.50/x
  3. Step 3: Cross multiply
    106,135.17x = 146,468.81 × 58,388.50
  4. Step 4: Simplify right side
    106,135.17x = 8,552,094,112.69
  5. Step 5: Solve for x
    x = 8,552,094,112.69/106,135.17
  6. Step 6: Final answer
    x = 80,577.38

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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.