Home / 135,816.99-203,761.72-47,070.42

Finding the Fourth Proportional to 135,816.99, 203,761.72 and 47,070.42

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Solution

The fourth proportional to 135,816.99, 203,761.72 and 47,070.42 is: 70,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,816.99 : 203,761.72 = 47,070.42 : x
  2. Step 2: Convert to fraction form
    135,816.99/203,761.72 = 47,070.42/x
  3. Step 3: Cross multiply
    135,816.99x = 203,761.72 × 47,070.42
  4. Step 4: Simplify right side
    135,816.99x = 9,591,149,740.32
  5. Step 5: Solve for x
    x = 9,591,149,740.32/135,816.99
  6. Step 6: Final answer
    x = 70,618.19

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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.