Home / 100,645.76-151,011.75-34,092.92

Finding the Fourth Proportional to 100,645.76, 151,011.75 and 34,092.92

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Solution

The fourth proportional to 100,645.76, 151,011.75 and 34,092.92 is: 51,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,645.76 : 151,011.75 = 34,092.92 : x
  2. Step 2: Convert to fraction form
    100,645.76/151,011.75 = 34,092.92/x
  3. Step 3: Cross multiply
    100,645.76x = 151,011.75 × 34,092.92
  4. Step 4: Simplify right side
    100,645.76x = 5,148,431,511.81
  5. Step 5: Solve for x
    x = 5,148,431,511.81/100,645.76
  6. Step 6: Final answer
    x = 51,153.98

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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.