Home / 106,143.49-146,478.01-58,395.81

Finding the Fourth Proportional to 106,143.49, 146,478.01 and 58,395.81

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Solution

The fourth proportional to 106,143.49, 146,478.01 and 58,395.81 is: 80,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,143.49 : 146,478.01 = 58,395.81 : x
  2. Step 2: Convert to fraction form
    106,143.49/146,478.01 = 58,395.81/x
  3. Step 3: Cross multiply
    106,143.49x = 146,478.01 × 58,395.81
  4. Step 4: Simplify right side
    106,143.49x = 8,553,702,041.14
  5. Step 5: Solve for x
    x = 8,553,702,041.14/106,143.49
  6. Step 6: Final answer
    x = 80,586.21

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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.