Home / 107,034.32-147,711.44-59,286.64

Finding the Fourth Proportional to 107,034.32, 147,711.44 and 59,286.64

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Solution

The fourth proportional to 107,034.32, 147,711.44 and 59,286.64 is: 81,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,034.32 : 147,711.44 = 59,286.64 : x
  2. Step 2: Convert to fraction form
    107,034.32/147,711.44 = 59,286.64/x
  3. Step 3: Cross multiply
    107,034.32x = 147,711.44 × 59,286.64
  4. Step 4: Simplify right side
    107,034.32x = 8,757,314,967.16
  5. Step 5: Solve for x
    x = 8,757,314,967.16/107,034.32
  6. Step 6: Final answer
    x = 81,817.82

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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.