Home / 43,309.70-64,964.55-17,005.70

Finding the Fourth Proportional to 43,309.70, 64,964.55 and 17,005.70

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Solution

The fourth proportional to 43,309.70, 64,964.55 and 17,005.70 is: 25,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,309.70 : 64,964.55 = 17,005.70 : x
  2. Step 2: Convert to fraction form
    43,309.70/64,964.55 = 17,005.70/x
  3. Step 3: Cross multiply
    43,309.70x = 64,964.55 × 17,005.70
  4. Step 4: Simplify right side
    43,309.70x = 1,104,767,647.94
  5. Step 5: Solve for x
    x = 1,104,767,647.94/43,309.70
  6. Step 6: Final answer
    x = 25,508.55

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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.