Home / 124,856.16-187,279.78-40,615.75

Finding the Fourth Proportional to 124,856.16, 187,279.78 and 40,615.75

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Solution

The fourth proportional to 124,856.16, 187,279.78 and 40,615.75 is: 60,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,856.16 : 187,279.78 = 40,615.75 : x
  2. Step 2: Convert to fraction form
    124,856.16/187,279.78 = 40,615.75/x
  3. Step 3: Cross multiply
    124,856.16x = 187,279.78 × 40,615.75
  4. Step 4: Simplify right side
    124,856.16x = 7,606,508,724.54
  5. Step 5: Solve for x
    x = 7,606,508,724.54/124,856.16
  6. Step 6: Final answer
    x = 60,922.17

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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.