Home / 100,788.26-151,170.65-37,610.56

Finding the Fourth Proportional to 100,788.26, 151,170.65 and 37,610.56

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Solution

The fourth proportional to 100,788.26, 151,170.65 and 37,610.56 is: 56,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,788.26 : 151,170.65 = 37,610.56 : x
  2. Step 2: Convert to fraction form
    100,788.26/151,170.65 = 37,610.56/x
  3. Step 3: Cross multiply
    100,788.26x = 151,170.65 × 37,610.56
  4. Step 4: Simplify right side
    100,788.26x = 5,685,611,858.16
  5. Step 5: Solve for x
    x = 5,685,611,858.16/100,788.26
  6. Step 6: Final answer
    x = 56,411.45

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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.