Home / 100,824.20-151,140.30-37,627.40

Finding the Fourth Proportional to 100,824.20, 151,140.30 and 37,627.40

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Solution

The fourth proportional to 100,824.20, 151,140.30 and 37,627.40 is: 56,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,824.20 : 151,140.30 = 37,627.40 : x
  2. Step 2: Convert to fraction form
    100,824.20/151,140.30 = 37,627.40/x
  3. Step 3: Cross multiply
    100,824.20x = 151,140.30 × 37,627.40
  4. Step 4: Simplify right side
    100,824.20x = 5,687,016,524.22
  5. Step 5: Solve for x
    x = 5,687,016,524.22/100,824.20
  6. Step 6: Final answer
    x = 56,405.27

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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.