Home / 102,286.32-141,151.18-56,966.22

Finding the Fourth Proportional to 102,286.32, 141,151.18 and 56,966.22

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Solution

The fourth proportional to 102,286.32, 141,151.18 and 56,966.22 is: 78,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,286.32 : 141,151.18 = 56,966.22 : x
  2. Step 2: Convert to fraction form
    102,286.32/141,151.18 = 56,966.22/x
  3. Step 3: Cross multiply
    102,286.32x = 141,151.18 × 56,966.22
  4. Step 4: Simplify right side
    102,286.32x = 8,040,849,173.14
  5. Step 5: Solve for x
    x = 8,040,849,173.14/102,286.32
  6. Step 6: Final answer
    x = 78,611.19

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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.