Home / 48,108.87-66,347.22-30,205.53

Finding the Fourth Proportional to 48,108.87, 66,347.22 and 30,205.53

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Solution

The fourth proportional to 48,108.87, 66,347.22 and 30,205.53 is: 41,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.87 : 66,347.22 = 30,205.53 : x
  2. Step 2: Convert to fraction form
    48,108.87/66,347.22 = 30,205.53/x
  3. Step 3: Cross multiply
    48,108.87x = 66,347.22 × 30,205.53
  4. Step 4: Simplify right side
    48,108.87x = 2,004,052,944.13
  5. Step 5: Solve for x
    x = 2,004,052,944.13/48,108.87
  6. Step 6: Final answer
    x = 41,656.62

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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.