Home / 43,195.08-64,788.36-15,109.95

Finding the Fourth Proportional to 43,195.08, 64,788.36 and 15,109.95

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Solution

The fourth proportional to 43,195.08, 64,788.36 and 15,109.95 is: 22,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195.08 : 64,788.36 = 15,109.95 : x
  2. Step 2: Convert to fraction form
    43,195.08/64,788.36 = 15,109.95/x
  3. Step 3: Cross multiply
    43,195.08x = 64,788.36 × 15,109.95
  4. Step 4: Simplify right side
    43,195.08x = 978,948,880.18
  5. Step 5: Solve for x
    x = 978,948,880.18/43,195.08
  6. Step 6: Final answer
    x = 22,663.43

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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.