Home / 124,964.78-187,467.62-39,581.46

Finding the Fourth Proportional to 124,964.78, 187,467.62 and 39,581.46

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Solution

The fourth proportional to 124,964.78, 187,467.62 and 39,581.46 is: 59,378.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,964.78 : 187,467.62 = 39,581.46 : x
  2. Step 2: Convert to fraction form
    124,964.78/187,467.62 = 39,581.46/x
  3. Step 3: Cross multiply
    124,964.78x = 187,467.62 × 39,581.46
  4. Step 4: Simplify right side
    124,964.78x = 7,420,241,904.42
  5. Step 5: Solve for x
    x = 7,420,241,904.42/124,964.78
  6. Step 6: Final answer
    x = 59,378.67

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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.