Home / 106,280.96-146,672.25-60,971.72

Finding the Fourth Proportional to 106,280.96, 146,672.25 and 60,971.72

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Solution

The fourth proportional to 106,280.96, 146,672.25 and 60,971.72 is: 84,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,280.96 : 146,672.25 = 60,971.72 : x
  2. Step 2: Convert to fraction form
    106,280.96/146,672.25 = 60,971.72/x
  3. Step 3: Cross multiply
    106,280.96x = 146,672.25 × 60,971.72
  4. Step 4: Simplify right side
    106,280.96x = 8,942,859,358.77
  5. Step 5: Solve for x
    x = 8,942,859,358.77/106,280.96
  6. Step 6: Final answer
    x = 84,143.57

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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.