Home / 119,991.03-165,590.10-72,234.24

Finding the Fourth Proportional to 119,991.03, 165,590.10 and 72,234.24

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Solution

The fourth proportional to 119,991.03, 165,590.10 and 72,234.24 is: 99,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,991.03 : 165,590.10 = 72,234.24 : x
  2. Step 2: Convert to fraction form
    119,991.03/165,590.10 = 72,234.24/x
  3. Step 3: Cross multiply
    119,991.03x = 165,590.10 × 72,234.24
  4. Step 4: Simplify right side
    119,991.03x = 11,961,275,025.02
  5. Step 5: Solve for x
    x = 11,961,275,025.02/119,991.03
  6. Step 6: Final answer
    x = 99,684.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.