Home / 124,738.74-187,132.68-40,483.20

Finding the Fourth Proportional to 124,738.74, 187,132.68 and 40,483.20

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Solution

The fourth proportional to 124,738.74, 187,132.68 and 40,483.20 is: 60,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,738.74 : 187,132.68 = 40,483.20 : x
  2. Step 2: Convert to fraction form
    124,738.74/187,132.68 = 40,483.20/x
  3. Step 3: Cross multiply
    124,738.74x = 187,132.68 × 40,483.20
  4. Step 4: Simplify right side
    124,738.74x = 7,575,729,710.98
  5. Step 5: Solve for x
    x = 7,575,729,710.98/124,738.74
  6. Step 6: Final answer
    x = 60,732.77

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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.