Home / 108,207.28-162,340.86-45,057.08

Finding the Fourth Proportional to 108,207.28, 162,340.86 and 45,057.08

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Solution

The fourth proportional to 108,207.28, 162,340.86 and 45,057.08 is: 67,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,207.28 : 162,340.86 = 45,057.08 : x
  2. Step 2: Convert to fraction form
    108,207.28/162,340.86 = 45,057.08/x
  3. Step 3: Cross multiply
    108,207.28x = 162,340.86 × 45,057.08
  4. Step 4: Simplify right side
    108,207.28x = 7,314,605,116.29
  5. Step 5: Solve for x
    x = 7,314,605,116.29/108,207.28
  6. Step 6: Final answer
    x = 67,598.09

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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.