Home / 75,022.20-112,533.30-48,756.60

Finding the Fourth Proportional to 75,022.20, 112,533.30 and 48,756.60

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Solution

The fourth proportional to 75,022.20, 112,533.30 and 48,756.60 is: 73,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,022.20 : 112,533.30 = 48,756.60 : x
  2. Step 2: Convert to fraction form
    75,022.20/112,533.30 = 48,756.60/x
  3. Step 3: Cross multiply
    75,022.20x = 112,533.30 × 48,756.60
  4. Step 4: Simplify right side
    75,022.20x = 5,486,741,094.78
  5. Step 5: Solve for x
    x = 5,486,741,094.78/75,022.20
  6. Step 6: Final answer
    x = 73,134.90

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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.