Home / 107,506.08-161,046.23-73,688.85

Finding the Fourth Proportional to 107,506.08, 161,046.23 and 73,688.85

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Solution

The fourth proportional to 107,506.08, 161,046.23 and 73,688.85 is: 110,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,506.08 : 161,046.23 = 73,688.85 : x
  2. Step 2: Convert to fraction form
    107,506.08/161,046.23 = 73,688.85/x
  3. Step 3: Cross multiply
    107,506.08x = 161,046.23 × 73,688.85
  4. Step 4: Simplify right side
    107,506.08x = 11,867,311,117.09
  5. Step 5: Solve for x
    x = 11,867,311,117.09/107,506.08
  6. Step 6: Final answer
    x = 110,387.35

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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.