Home / 120,609.24-180,930.32-41,702.28

Finding the Fourth Proportional to 120,609.24, 180,930.32 and 41,702.28

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Solution

The fourth proportional to 120,609.24, 180,930.32 and 41,702.28 is: 62,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,609.24 : 180,930.32 = 41,702.28 : x
  2. Step 2: Convert to fraction form
    120,609.24/180,930.32 = 41,702.28/x
  3. Step 3: Cross multiply
    120,609.24x = 180,930.32 × 41,702.28
  4. Step 4: Simplify right side
    120,609.24x = 7,545,206,865.13
  5. Step 5: Solve for x
    x = 7,545,206,865.13/120,609.24
  6. Step 6: Final answer
    x = 62,559.11

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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.