Home / 91,955.05-137,929.84-25,399.17

Finding the Fourth Proportional to 91,955.05, 137,929.84 and 25,399.17

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Solution

The fourth proportional to 91,955.05, 137,929.84 and 25,399.17 is: 38,098.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955.05 : 137,929.84 = 25,399.17 : x
  2. Step 2: Convert to fraction form
    91,955.05/137,929.84 = 25,399.17/x
  3. Step 3: Cross multiply
    91,955.05x = 137,929.84 × 25,399.17
  4. Step 4: Simplify right side
    91,955.05x = 3,503,303,390.73
  5. Step 5: Solve for x
    x = 3,503,303,390.73/91,955.05
  6. Step 6: Final answer
    x = 38,098.00

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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.