Home / 108,525.30-162,779.85-45,329.10

Finding the Fourth Proportional to 108,525.30, 162,779.85 and 45,329.10

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Solution

The fourth proportional to 108,525.30, 162,779.85 and 45,329.10 is: 67,990.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,525.30 : 162,779.85 = 45,329.10 : x
  2. Step 2: Convert to fraction form
    108,525.30/162,779.85 = 45,329.10/x
  3. Step 3: Cross multiply
    108,525.30x = 162,779.85 × 45,329.10
  4. Step 4: Simplify right side
    108,525.30x = 7,378,664,098.64
  5. Step 5: Solve for x
    x = 7,378,664,098.64/108,525.30
  6. Step 6: Final answer
    x = 67,990.27

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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.