Home / 91,760.84-137,616.30-25,185.20

Finding the Fourth Proportional to 91,760.84, 137,616.30 and 25,185.20

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Solution

The fourth proportional to 91,760.84, 137,616.30 and 25,185.20 is: 37,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,760.84 : 137,616.30 = 25,185.20 : x
  2. Step 2: Convert to fraction form
    91,760.84/137,616.30 = 25,185.20/x
  3. Step 3: Cross multiply
    91,760.84x = 137,616.30 × 25,185.20
  4. Step 4: Simplify right side
    91,760.84x = 3,465,894,038.76
  5. Step 5: Solve for x
    x = 3,465,894,038.76/91,760.84
  6. Step 6: Final answer
    x = 37,770.95

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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.