Home / 108,171.24-162,062.73-66,029.64

Finding the Fourth Proportional to 108,171.24, 162,062.73 and 66,029.64

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Solution

The fourth proportional to 108,171.24, 162,062.73 and 66,029.64 is: 98,925.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,171.24 : 162,062.73 = 66,029.64 : x
  2. Step 2: Convert to fraction form
    108,171.24/162,062.73 = 66,029.64/x
  3. Step 3: Cross multiply
    108,171.24x = 162,062.73 × 66,029.64
  4. Step 4: Simplify right side
    108,171.24x = 10,700,943,719.32
  5. Step 5: Solve for x
    x = 10,700,943,719.32/108,171.24
  6. Step 6: Final answer
    x = 98,925.96

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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.