Home / 125,100.12-187,660.62-36,353.64

Finding the Fourth Proportional to 125,100.12, 187,660.62 and 36,353.64

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Solution

The fourth proportional to 125,100.12, 187,660.62 and 36,353.64 is: 54,533.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,100.12 : 187,660.62 = 36,353.64 : x
  2. Step 2: Convert to fraction form
    125,100.12/187,660.62 = 36,353.64/x
  3. Step 3: Cross multiply
    125,100.12x = 187,660.62 × 36,353.64
  4. Step 4: Simplify right side
    125,100.12x = 6,822,146,621.66
  5. Step 5: Solve for x
    x = 6,822,146,621.66/125,100.12
  6. Step 6: Final answer
    x = 54,533.49

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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.