Home / 88,639.51-122,338.33-52,831.84

Finding the Fourth Proportional to 88,639.51, 122,338.33 and 52,831.84

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Solution

The fourth proportional to 88,639.51, 122,338.33 and 52,831.84 is: 72,917.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.51 : 122,338.33 = 52,831.84 : x
  2. Step 2: Convert to fraction form
    88,639.51/122,338.33 = 52,831.84/x
  3. Step 3: Cross multiply
    88,639.51x = 122,338.33 × 52,831.84
  4. Step 4: Simplify right side
    88,639.51x = 6,463,359,076.43
  5. Step 5: Solve for x
    x = 6,463,359,076.43/88,639.51
  6. Step 6: Final answer
    x = 72,917.36

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1.5x scale

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.