Home / 49,544.40-74,462.40-43,129.20

Finding the Fourth Proportional to 49,544.40, 74,462.40 and 43,129.20

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Solution

The fourth proportional to 49,544.40, 74,462.40 and 43,129.20 is: 64,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,544.40 : 74,462.40 = 43,129.20 : x
  2. Step 2: Convert to fraction form
    49,544.40/74,462.40 = 43,129.20/x
  3. Step 3: Cross multiply
    49,544.40x = 74,462.40 × 43,129.20
  4. Step 4: Simplify right side
    49,544.40x = 3,211,503,742.08
  5. Step 5: Solve for x
    x = 3,211,503,742.08/49,544.40
  6. Step 6: Final answer
    x = 64,820.72

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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.