Home / 106,462.10-159,686.84-39,896.66

Finding the Fourth Proportional to 106,462.10, 159,686.84 and 39,896.66

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Solution

The fourth proportional to 106,462.10, 159,686.84 and 39,896.66 is: 59,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,462.10 : 159,686.84 = 39,896.66 : x
  2. Step 2: Convert to fraction form
    106,462.10/159,686.84 = 39,896.66/x
  3. Step 3: Cross multiply
    106,462.10x = 159,686.84 × 39,896.66
  4. Step 4: Simplify right side
    106,462.10x = 6,370,971,561.95
  5. Step 5: Solve for x
    x = 6,370,971,561.95/106,462.10
  6. Step 6: Final answer
    x = 59,842.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.