Home / 88,283-121,831.86-47,996.66

Finding the Fourth Proportional to 88,283, 121,831.86 and 47,996.66

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Solution

The fourth proportional to 88,283, 121,831.86 and 47,996.66 is: 66,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,283 : 121,831.86 = 47,996.66 : x
  2. Step 2: Convert to fraction form
    88,283/121,831.86 = 47,996.66/x
  3. Step 3: Cross multiply
    88,283x = 121,831.86 × 47,996.66
  4. Step 4: Simplify right side
    88,283x = 5,847,522,361.59
  5. Step 5: Solve for x
    x = 5,847,522,361.59/88,283
  6. Step 6: Final answer
    x = 66,236.11

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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.