Home / 108,739.53-163,042.25-37,645.61

Finding the Fourth Proportional to 108,739.53, 163,042.25 and 37,645.61

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Solution

The fourth proportional to 108,739.53, 163,042.25 and 37,645.61 is: 56,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,739.53 : 163,042.25 = 37,645.61 : x
  2. Step 2: Convert to fraction form
    108,739.53/163,042.25 = 37,645.61/x
  3. Step 3: Cross multiply
    108,739.53x = 163,042.25 × 37,645.61
  4. Step 4: Simplify right side
    108,739.53x = 6,137,823,953.58
  5. Step 5: Solve for x
    x = 6,137,823,953.58/108,739.53
  6. Step 6: Final answer
    x = 56,445.19

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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.