Home / 97,731.32-134,857.82-54,713.16

Finding the Fourth Proportional to 97,731.32, 134,857.82 and 54,713.16

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Solution

The fourth proportional to 97,731.32, 134,857.82 and 54,713.16 is: 75,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,731.32 : 134,857.82 = 54,713.16 : x
  2. Step 2: Convert to fraction form
    97,731.32/134,857.82 = 54,713.16/x
  3. Step 3: Cross multiply
    97,731.32x = 134,857.82 × 54,713.16
  4. Step 4: Simplify right side
    97,731.32x = 7,378,497,482.91
  5. Step 5: Solve for x
    x = 7,378,497,482.91/97,731.32
  6. Step 6: Final answer
    x = 75,497.78

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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.