Home / 100,753.14-151,129.86-37,572.30

Finding the Fourth Proportional to 100,753.14, 151,129.86 and 37,572.30

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Solution

The fourth proportional to 100,753.14, 151,129.86 and 37,572.30 is: 56,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,753.14 : 151,129.86 = 37,572.30 : x
  2. Step 2: Convert to fraction form
    100,753.14/151,129.86 = 37,572.30/x
  3. Step 3: Cross multiply
    100,753.14x = 151,129.86 × 37,572.30
  4. Step 4: Simplify right side
    100,753.14x = 5,678,296,438.88
  5. Step 5: Solve for x
    x = 5,678,296,438.88/100,753.14
  6. Step 6: Final answer
    x = 56,358.51

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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.