Home / 43,696.20-65,545.75-12,106.58

Finding the Fourth Proportional to 43,696.20, 65,545.75 and 12,106.58

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Solution

The fourth proportional to 43,696.20, 65,545.75 and 12,106.58 is: 18,160.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,696.20 : 65,545.75 = 12,106.58 : x
  2. Step 2: Convert to fraction form
    43,696.20/65,545.75 = 12,106.58/x
  3. Step 3: Cross multiply
    43,696.20x = 65,545.75 × 12,106.58
  4. Step 4: Simplify right side
    43,696.20x = 793,534,538.31
  5. Step 5: Solve for x
    x = 793,534,538.31/43,696.20
  6. Step 6: Final answer
    x = 18,160.26

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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.