Home / 100,944.60-151,412.20-37,760.12

Finding the Fourth Proportional to 100,944.60, 151,412.20 and 37,760.12

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Solution

The fourth proportional to 100,944.60, 151,412.20 and 37,760.12 is: 56,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,944.60 : 151,412.20 = 37,760.12 : x
  2. Step 2: Convert to fraction form
    100,944.60/151,412.20 = 37,760.12/x
  3. Step 3: Cross multiply
    100,944.60x = 151,412.20 × 37,760.12
  4. Step 4: Simplify right side
    100,944.60x = 5,717,342,841.46
  5. Step 5: Solve for x
    x = 5,717,342,841.46/100,944.60
  6. Step 6: Final answer
    x = 56,638.42

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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.