Home / 48,162.50-66,464.25-31,395.50

Finding the Fourth Proportional to 48,162.50, 66,464.25 and 31,395.50

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Solution

The fourth proportional to 48,162.50, 66,464.25 and 31,395.50 is: 43,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,162.50 : 66,464.25 = 31,395.50 : x
  2. Step 2: Convert to fraction form
    48,162.50/66,464.25 = 31,395.50/x
  3. Step 3: Cross multiply
    48,162.50x = 66,464.25 × 31,395.50
  4. Step 4: Simplify right side
    48,162.50x = 2,086,678,360.88
  5. Step 5: Solve for x
    x = 2,086,678,360.88/48,162.50
  6. Step 6: Final answer
    x = 43,325.79

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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.