Home / 117,002.48-161,462.97-63,287.43

Finding the Fourth Proportional to 117,002.48, 161,462.97 and 63,287.43

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Solution

The fourth proportional to 117,002.48, 161,462.97 and 63,287.43 is: 87,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,002.48 : 161,462.97 = 63,287.43 : x
  2. Step 2: Convert to fraction form
    117,002.48/161,462.97 = 63,287.43/x
  3. Step 3: Cross multiply
    117,002.48x = 161,462.97 × 63,287.43
  4. Step 4: Simplify right side
    117,002.48x = 10,218,576,411.47
  5. Step 5: Solve for x
    x = 10,218,576,411.47/117,002.48
  6. Step 6: Final answer
    x = 87,336.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.