Home / 125,035.22-187,569.30-40,765.79

Finding the Fourth Proportional to 125,035.22, 187,569.30 and 40,765.79

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Solution

The fourth proportional to 125,035.22, 187,569.30 and 40,765.79 is: 61,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,035.22 : 187,569.30 = 40,765.79 : x
  2. Step 2: Convert to fraction form
    125,035.22/187,569.30 = 40,765.79/x
  3. Step 3: Cross multiply
    125,035.22x = 187,569.30 × 40,765.79
  4. Step 4: Simplify right side
    125,035.22x = 7,646,410,694.25
  5. Step 5: Solve for x
    x = 7,646,410,694.25/125,035.22
  6. Step 6: Final answer
    x = 61,154.05

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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.