Home / 106,143.28-146,461.03-60,812.53

Finding the Fourth Proportional to 106,143.28, 146,461.03 and 60,812.53

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Solution

The fourth proportional to 106,143.28, 146,461.03 and 60,812.53 is: 83,911.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,143.28 : 146,461.03 = 60,812.53 : x
  2. Step 2: Convert to fraction form
    106,143.28/146,461.03 = 60,812.53/x
  3. Step 3: Cross multiply
    106,143.28x = 146,461.03 × 60,812.53
  4. Step 4: Simplify right side
    106,143.28x = 8,906,665,780.71
  5. Step 5: Solve for x
    x = 8,906,665,780.71/106,143.28
  6. Step 6: Final answer
    x = 83,911.73

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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.