Home / 91,857.06-137,816.25-35,698.95

Finding the Fourth Proportional to 91,857.06, 137,816.25 and 35,698.95

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Solution

The fourth proportional to 91,857.06, 137,816.25 and 35,698.95 is: 53,560.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,857.06 : 137,816.25 = 35,698.95 : x
  2. Step 2: Convert to fraction form
    91,857.06/137,816.25 = 35,698.95/x
  3. Step 3: Cross multiply
    91,857.06x = 137,816.25 × 35,698.95
  4. Step 4: Simplify right side
    91,857.06x = 4,919,895,417.94
  5. Step 5: Solve for x
    x = 4,919,895,417.94/91,857.06
  6. Step 6: Final answer
    x = 53,560.34

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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.