Home / 108,820.36-163,265.82-53,377.48

Finding the Fourth Proportional to 108,820.36, 163,265.82 and 53,377.48

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Solution

The fourth proportional to 108,820.36, 163,265.82 and 53,377.48 is: 80,083.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,820.36 : 163,265.82 = 53,377.48 : x
  2. Step 2: Convert to fraction form
    108,820.36/163,265.82 = 53,377.48/x
  3. Step 3: Cross multiply
    108,820.36x = 163,265.82 × 53,377.48
  4. Step 4: Simplify right side
    108,820.36x = 8,714,718,041.73
  5. Step 5: Solve for x
    x = 8,714,718,041.73/108,820.36
  6. Step 6: Final answer
    x = 80,083.53

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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.