Home / 55,422.12-76,383.60-41,961.12

Finding the Fourth Proportional to 55,422.12, 76,383.60 and 41,961.12

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Solution

The fourth proportional to 55,422.12, 76,383.60 and 41,961.12 is: 57,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,422.12 : 76,383.60 = 41,961.12 : x
  2. Step 2: Convert to fraction form
    55,422.12/76,383.60 = 41,961.12/x
  3. Step 3: Cross multiply
    55,422.12x = 76,383.60 × 41,961.12
  4. Step 4: Simplify right side
    55,422.12x = 3,205,141,405.63
  5. Step 5: Solve for x
    x = 3,205,141,405.63/55,422.12
  6. Step 6: Final answer
    x = 57,831.45

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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.