Home / 108,580.28-162,844.20-45,366.24

Finding the Fourth Proportional to 108,580.28, 162,844.20 and 45,366.24

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Solution

The fourth proportional to 108,580.28, 162,844.20 and 45,366.24 is: 68,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,580.28 : 162,844.20 = 45,366.24 : x
  2. Step 2: Convert to fraction form
    108,580.28/162,844.20 = 45,366.24/x
  3. Step 3: Cross multiply
    108,580.28x = 162,844.20 × 45,366.24
  4. Step 4: Simplify right side
    108,580.28x = 7,387,629,059.81
  5. Step 5: Solve for x
    x = 7,387,629,059.81/108,580.28
  6. Step 6: Final answer
    x = 68,038.40

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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.