Home / 91,831.37-126,735.97-53,587.83

Finding the Fourth Proportional to 91,831.37, 126,735.97 and 53,587.83

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Solution

The fourth proportional to 91,831.37, 126,735.97 and 53,587.83 is: 73,956.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.37 : 126,735.97 = 53,587.83 : x
  2. Step 2: Convert to fraction form
    91,831.37/126,735.97 = 53,587.83/x
  3. Step 3: Cross multiply
    91,831.37x = 126,735.97 × 53,587.83
  4. Step 4: Simplify right side
    91,831.37x = 6,791,505,193.41
  5. Step 5: Solve for x
    x = 6,791,505,193.41/91,831.37
  6. Step 6: Final answer
    x = 73,956.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.