Home / 106,220.30-146,585.30-58,476.87

Finding the Fourth Proportional to 106,220.30, 146,585.30 and 58,476.87

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Solution

The fourth proportional to 106,220.30, 146,585.30 and 58,476.87 is: 80,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,220.30 : 146,585.30 = 58,476.87 : x
  2. Step 2: Convert to fraction form
    106,220.30/146,585.30 = 58,476.87/x
  3. Step 3: Cross multiply
    106,220.30x = 146,585.30 × 58,476.87
  4. Step 4: Simplify right side
    106,220.30x = 8,571,849,239.63
  5. Step 5: Solve for x
    x = 8,571,849,239.63/106,220.30
  6. Step 6: Final answer
    x = 80,698.79

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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.