Home / 106,113.21-146,433.81-58,365.54

Finding the Fourth Proportional to 106,113.21, 146,433.81 and 58,365.54

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Solution

The fourth proportional to 106,113.21, 146,433.81 and 58,365.54 is: 80,543.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,113.21 : 146,433.81 = 58,365.54 : x
  2. Step 2: Convert to fraction form
    106,113.21/146,433.81 = 58,365.54/x
  3. Step 3: Cross multiply
    106,113.21x = 146,433.81 × 58,365.54
  4. Step 4: Simplify right side
    106,113.21x = 8,546,688,394.91
  5. Step 5: Solve for x
    x = 8,546,688,394.91/106,113.21
  6. Step 6: Final answer
    x = 80,543.11

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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.