Home / 113,831.60-170,747.40-43,712.60

Finding the Fourth Proportional to 113,831.60, 170,747.40 and 43,712.60

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Solution

The fourth proportional to 113,831.60, 170,747.40 and 43,712.60 is: 65,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.60 : 170,747.40 = 43,712.60 : x
  2. Step 2: Convert to fraction form
    113,831.60/170,747.40 = 43,712.60/x
  3. Step 3: Cross multiply
    113,831.60x = 170,747.40 × 43,712.60
  4. Step 4: Simplify right side
    113,831.60x = 7,463,812,797.24
  5. Step 5: Solve for x
    x = 7,463,812,797.24/113,831.60
  6. Step 6: Final answer
    x = 65,568.90

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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.