Home / 120,626.44-180,886.86-49,500.28

Finding the Fourth Proportional to 120,626.44, 180,886.86 and 49,500.28

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Solution

The fourth proportional to 120,626.44, 180,886.86 and 49,500.28 is: 74,228.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,626.44 : 180,886.86 = 49,500.28 : x
  2. Step 2: Convert to fraction form
    120,626.44/180,886.86 = 49,500.28/x
  3. Step 3: Cross multiply
    120,626.44x = 180,886.86 × 49,500.28
  4. Step 4: Simplify right side
    120,626.44x = 8,953,950,218.32
  5. Step 5: Solve for x
    x = 8,953,950,218.32/120,626.44
  6. Step 6: Final answer
    x = 74,228.75

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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.