Home / 106,461.10-159,685.34-39,895.66

Finding the Fourth Proportional to 106,461.10, 159,685.34 and 39,895.66

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Solution

The fourth proportional to 106,461.10, 159,685.34 and 39,895.66 is: 59,841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,461.10 : 159,685.34 = 39,895.66 : x
  2. Step 2: Convert to fraction form
    106,461.10/159,685.34 = 39,895.66/x
  3. Step 3: Cross multiply
    106,461.10x = 159,685.34 × 39,895.66
  4. Step 4: Simplify right side
    106,461.10x = 6,370,751,732.15
  5. Step 5: Solve for x
    x = 6,370,751,732.15/106,461.10
  6. Step 6: Final answer
    x = 59,841.12

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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.