Home / 108,941.23-163,335.69-55,649.71

Finding the Fourth Proportional to 108,941.23, 163,335.69 and 55,649.71

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Solution

The fourth proportional to 108,941.23, 163,335.69 and 55,649.71 is: 83,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,941.23 : 163,335.69 = 55,649.71 : x
  2. Step 2: Convert to fraction form
    108,941.23/163,335.69 = 55,649.71/x
  3. Step 3: Cross multiply
    108,941.23x = 163,335.69 × 55,649.71
  4. Step 4: Simplify right side
    108,941.23x = 9,089,583,781.15
  5. Step 5: Solve for x
    x = 9,089,583,781.15/108,941.23
  6. Step 6: Final answer
    x = 83,435.66

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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.