Home / 102,286.16-141,151.08-56,966

Finding the Fourth Proportional to 102,286.16, 141,151.08 and 56,966

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Solution

The fourth proportional to 102,286.16, 141,151.08 and 56,966 is: 78,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,286.16 : 141,151.08 = 56,966 : x
  2. Step 2: Convert to fraction form
    102,286.16/141,151.08 = 56,966/x
  3. Step 3: Cross multiply
    102,286.16x = 141,151.08 × 56,966
  4. Step 4: Simplify right side
    102,286.16x = 8,040,812,423.28
  5. Step 5: Solve for x
    x = 8,040,812,423.28/102,286.16
  6. Step 6: Final answer
    x = 78,610.95

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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.