Home / 101,631.78-152,458.03-35,071.72

Finding the Fourth Proportional to 101,631.78, 152,458.03 and 35,071.72

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Solution

The fourth proportional to 101,631.78, 152,458.03 and 35,071.72 is: 52,611.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,631.78 : 152,458.03 = 35,071.72 : x
  2. Step 2: Convert to fraction form
    101,631.78/152,458.03 = 35,071.72/x
  3. Step 3: Cross multiply
    101,631.78x = 152,458.03 × 35,071.72
  4. Step 4: Simplify right side
    101,631.78x = 5,346,965,002.61
  5. Step 5: Solve for x
    x = 5,346,965,002.61/101,631.78
  6. Step 6: Final answer
    x = 52,611.15

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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.