Home / 43,185.22-64,631.51-26,555.78

Finding the Fourth Proportional to 43,185.22, 64,631.51 and 26,555.78

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Solution

The fourth proportional to 43,185.22, 64,631.51 and 26,555.78 is: 39,743.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,185.22 : 64,631.51 = 26,555.78 : x
  2. Step 2: Convert to fraction form
    43,185.22/64,631.51 = 26,555.78/x
  3. Step 3: Cross multiply
    43,185.22x = 64,631.51 × 26,555.78
  4. Step 4: Simplify right side
    43,185.22x = 1,716,340,160.63
  5. Step 5: Solve for x
    x = 1,716,340,160.63/43,185.22
  6. Step 6: Final answer
    x = 39,743.69

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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.