Home / 91,761.12-137,643.03-35,604.36

Finding the Fourth Proportional to 91,761.12, 137,643.03 and 35,604.36

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Solution

The fourth proportional to 91,761.12, 137,643.03 and 35,604.36 is: 53,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.12 : 137,643.03 = 35,604.36 : x
  2. Step 2: Convert to fraction form
    91,761.12/137,643.03 = 35,604.36/x
  3. Step 3: Cross multiply
    91,761.12x = 137,643.03 × 35,604.36
  4. Step 4: Simplify right side
    91,761.12x = 4,900,691,991.61
  5. Step 5: Solve for x
    x = 4,900,691,991.61/91,761.12
  6. Step 6: Final answer
    x = 53,407.06

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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.