Home / 91,305.58-126,040.49-55,507.02

Finding the Fourth Proportional to 91,305.58, 126,040.49 and 55,507.02

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Solution

The fourth proportional to 91,305.58, 126,040.49 and 55,507.02 is: 76,623.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,305.58 : 126,040.49 = 55,507.02 : x
  2. Step 2: Convert to fraction form
    91,305.58/126,040.49 = 55,507.02/x
  3. Step 3: Cross multiply
    91,305.58x = 126,040.49 × 55,507.02
  4. Step 4: Simplify right side
    91,305.58x = 6,996,131,999.24
  5. Step 5: Solve for x
    x = 6,996,131,999.24/91,305.58
  6. Step 6: Final answer
    x = 76,623.27

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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.