Home / 48,939.64-73,420.40-15,661.70

Finding the Fourth Proportional to 48,939.64, 73,420.40 and 15,661.70

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Solution

The fourth proportional to 48,939.64, 73,420.40 and 15,661.70 is: 23,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,939.64 : 73,420.40 = 15,661.70 : x
  2. Step 2: Convert to fraction form
    48,939.64/73,420.40 = 15,661.70/x
  3. Step 3: Cross multiply
    48,939.64x = 73,420.40 × 15,661.70
  4. Step 4: Simplify right side
    48,939.64x = 1,149,888,278.68
  5. Step 5: Solve for x
    x = 1,149,888,278.68/48,939.64
  6. Step 6: Final answer
    x = 23,496.05

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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.