Home / 108,511.43-162,947.77-73,200.02

Finding the Fourth Proportional to 108,511.43, 162,947.77 and 73,200.02

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Solution

The fourth proportional to 108,511.43, 162,947.77 and 73,200.02 is: 109,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,511.43 : 162,947.77 = 73,200.02 : x
  2. Step 2: Convert to fraction form
    108,511.43/162,947.77 = 73,200.02/x
  3. Step 3: Cross multiply
    108,511.43x = 162,947.77 × 73,200.02
  4. Step 4: Simplify right side
    108,511.43x = 11,927,779,025.22
  5. Step 5: Solve for x
    x = 11,927,779,025.22/108,511.43
  6. Step 6: Final answer
    x = 109,921.87

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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.