Home / 61,128.66-91,685.19-23,663.09

Finding the Fourth Proportional to 61,128.66, 91,685.19 and 23,663.09

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Solution

The fourth proportional to 61,128.66, 91,685.19 and 23,663.09 is: 35,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128.66 : 91,685.19 = 23,663.09 : x
  2. Step 2: Convert to fraction form
    61,128.66/91,685.19 = 23,663.09/x
  3. Step 3: Cross multiply
    61,128.66x = 91,685.19 × 23,663.09
  4. Step 4: Simplify right side
    61,128.66x = 2,169,555,131.85
  5. Step 5: Solve for x
    x = 2,169,555,131.85/61,128.66
  6. Step 6: Final answer
    x = 35,491.62

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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.