Home / 108,022.55-161,720.05-62,906.36

Finding the Fourth Proportional to 108,022.55, 161,720.05 and 62,906.36

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Solution

The fourth proportional to 108,022.55, 161,720.05 and 62,906.36 is: 94,176.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,022.55 : 161,720.05 = 62,906.36 : x
  2. Step 2: Convert to fraction form
    108,022.55/161,720.05 = 62,906.36/x
  3. Step 3: Cross multiply
    108,022.55x = 161,720.05 × 62,906.36
  4. Step 4: Simplify right side
    108,022.55x = 10,173,219,684.52
  5. Step 5: Solve for x
    x = 10,173,219,684.52/108,022.55
  6. Step 6: Final answer
    x = 94,176.81

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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.