Home / 108,533.10-162,799.65-73,103.70

Finding the Fourth Proportional to 108,533.10, 162,799.65 and 73,103.70

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Solution

The fourth proportional to 108,533.10, 162,799.65 and 73,103.70 is: 109,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,533.10 : 162,799.65 = 73,103.70 : x
  2. Step 2: Convert to fraction form
    108,533.10/162,799.65 = 73,103.70/x
  3. Step 3: Cross multiply
    108,533.10x = 162,799.65 × 73,103.70
  4. Step 4: Simplify right side
    108,533.10x = 11,901,256,773.71
  5. Step 5: Solve for x
    x = 11,901,256,773.71/108,533.10
  6. Step 6: Final answer
    x = 109,655.55

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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.