Home / 75,831.98-113,765.76-25,912.49

Finding the Fourth Proportional to 75,831.98, 113,765.76 and 25,912.49

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Solution

The fourth proportional to 75,831.98, 113,765.76 and 25,912.49 is: 38,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,831.98 : 113,765.76 = 25,912.49 : x
  2. Step 2: Convert to fraction form
    75,831.98/113,765.76 = 25,912.49/x
  3. Step 3: Cross multiply
    75,831.98x = 113,765.76 × 25,912.49
  4. Step 4: Simplify right side
    75,831.98x = 2,947,953,549.51
  5. Step 5: Solve for x
    x = 2,947,953,549.51/75,831.98
  6. Step 6: Final answer
    x = 38,874.81

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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.