Home / 106,112.53-146,432.21-58,365.87

Finding the Fourth Proportional to 106,112.53, 146,432.21 and 58,365.87

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Solution

The fourth proportional to 106,112.53, 146,432.21 and 58,365.87 is: 80,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,112.53 : 146,432.21 = 58,365.87 : x
  2. Step 2: Convert to fraction form
    106,112.53/146,432.21 = 58,365.87/x
  3. Step 3: Cross multiply
    106,112.53x = 146,432.21 × 58,365.87
  4. Step 4: Simplify right side
    106,112.53x = 8,546,643,332.67
  5. Step 5: Solve for x
    x = 8,546,643,332.67/106,112.53
  6. Step 6: Final answer
    x = 80,543.21

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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.