Home / 106,471.73-146,929.95-61,163.91

Finding the Fourth Proportional to 106,471.73, 146,929.95 and 61,163.91

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Solution

The fourth proportional to 106,471.73, 146,929.95 and 61,163.91 is: 84,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,471.73 : 146,929.95 = 61,163.91 : x
  2. Step 2: Convert to fraction form
    106,471.73/146,929.95 = 61,163.91/x
  3. Step 3: Cross multiply
    106,471.73x = 146,929.95 × 61,163.91
  4. Step 4: Simplify right side
    106,471.73x = 8,986,810,238.10
  5. Step 5: Solve for x
    x = 8,986,810,238.10/106,471.73
  6. Step 6: Final answer
    x = 84,405.60

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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.