Home / 108,771.66-163,161.91-51,816.28

Finding the Fourth Proportional to 108,771.66, 163,161.91 and 51,816.28

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Solution

The fourth proportional to 108,771.66, 163,161.91 and 51,816.28 is: 77,726.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,771.66 : 163,161.91 = 51,816.28 : x
  2. Step 2: Convert to fraction form
    108,771.66/163,161.91 = 51,816.28/x
  3. Step 3: Cross multiply
    108,771.66x = 163,161.91 × 51,816.28
  4. Step 4: Simplify right side
    108,771.66x = 8,454,443,213.89
  5. Step 5: Solve for x
    x = 8,454,443,213.89/108,771.66
  6. Step 6: Final answer
    x = 77,726.53

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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.