Home / 106,385.92-146,810.82-58,643.71

Finding the Fourth Proportional to 106,385.92, 146,810.82 and 58,643.71

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Solution

The fourth proportional to 106,385.92, 146,810.82 and 58,643.71 is: 80,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,385.92 : 146,810.82 = 58,643.71 : x
  2. Step 2: Convert to fraction form
    106,385.92/146,810.82 = 58,643.71/x
  3. Step 3: Cross multiply
    106,385.92x = 146,810.82 × 58,643.71
  4. Step 4: Simplify right side
    106,385.92x = 8,609,531,152.94
  5. Step 5: Solve for x
    x = 8,609,531,152.94/106,385.92
  6. Step 6: Final answer
    x = 80,927.36

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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.