Home / 96,831.36-145,205.76-36,849.60

Finding the Fourth Proportional to 96,831.36, 145,205.76 and 36,849.60

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Solution

The fourth proportional to 96,831.36, 145,205.76 and 36,849.60 is: 55,258.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,831.36 : 145,205.76 = 36,849.60 : x
  2. Step 2: Convert to fraction form
    96,831.36/145,205.76 = 36,849.60/x
  3. Step 3: Cross multiply
    96,831.36x = 145,205.76 × 36,849.60
  4. Step 4: Simplify right side
    96,831.36x = 5,350,774,173.70
  5. Step 5: Solve for x
    x = 5,350,774,173.70/96,831.36
  6. Step 6: Final answer
    x = 55,258.69

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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.