Home / 53,649.46-80,112.83-43,807.96

Finding the Fourth Proportional to 53,649.46, 80,112.83 and 43,807.96

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Solution

The fourth proportional to 53,649.46, 80,112.83 and 43,807.96 is: 65,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.46 : 80,112.83 = 43,807.96 : x
  2. Step 2: Convert to fraction form
    53,649.46/80,112.83 = 43,807.96/x
  3. Step 3: Cross multiply
    53,649.46x = 80,112.83 × 43,807.96
  4. Step 4: Simplify right side
    53,649.46x = 3,509,579,652.13
  5. Step 5: Solve for x
    x = 3,509,579,652.13/53,649.46
  6. Step 6: Final answer
    x = 65,416.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.