Home / 124,842.30-187,281.21-40,575.36

Finding the Fourth Proportional to 124,842.30, 187,281.21 and 40,575.36

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Solution

The fourth proportional to 124,842.30, 187,281.21 and 40,575.36 is: 60,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,842.30 : 187,281.21 = 40,575.36 : x
  2. Step 2: Convert to fraction form
    124,842.30/187,281.21 = 40,575.36/x
  3. Step 3: Cross multiply
    124,842.30x = 187,281.21 × 40,575.36
  4. Step 4: Simplify right side
    124,842.30x = 7,599,002,516.99
  5. Step 5: Solve for x
    x = 7,599,002,516.99/124,842.30
  6. Step 6: Final answer
    x = 60,868.81

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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.