Home / 55,661.15-83,360.50-43,080.43

Finding the Fourth Proportional to 55,661.15, 83,360.50 and 43,080.43

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Solution

The fourth proportional to 55,661.15, 83,360.50 and 43,080.43 is: 64,519.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,661.15 : 83,360.50 = 43,080.43 : x
  2. Step 2: Convert to fraction form
    55,661.15/83,360.50 = 43,080.43/x
  3. Step 3: Cross multiply
    55,661.15x = 83,360.50 × 43,080.43
  4. Step 4: Simplify right side
    55,661.15x = 3,591,206,185.02
  5. Step 5: Solve for x
    x = 3,591,206,185.02/55,661.15
  6. Step 6: Final answer
    x = 64,519.08

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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.