Home / 100,909.54-151,311.76-37,677.66

Finding the Fourth Proportional to 100,909.54, 151,311.76 and 37,677.66

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Solution

The fourth proportional to 100,909.54, 151,311.76 and 37,677.66 is: 56,496.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,909.54 : 151,311.76 = 37,677.66 : x
  2. Step 2: Convert to fraction form
    100,909.54/151,311.76 = 37,677.66/x
  3. Step 3: Cross multiply
    100,909.54x = 151,311.76 × 37,677.66
  4. Step 4: Simplify right side
    100,909.54x = 5,701,072,858.89
  5. Step 5: Solve for x
    x = 5,701,072,858.89/100,909.54
  6. Step 6: Final answer
    x = 56,496.87

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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.