Home / 55,419.56-76,476.12-31,546.16

Finding the Fourth Proportional to 55,419.56, 76,476.12 and 31,546.16

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Solution

The fourth proportional to 55,419.56, 76,476.12 and 31,546.16 is: 43,532.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.56 : 76,476.12 = 31,546.16 : x
  2. Step 2: Convert to fraction form
    55,419.56/76,476.12 = 31,546.16/x
  3. Step 3: Cross multiply
    55,419.56x = 76,476.12 × 31,546.16
  4. Step 4: Simplify right side
    55,419.56x = 2,412,527,917.70
  5. Step 5: Solve for x
    x = 2,412,527,917.70/55,419.56
  6. Step 6: Final answer
    x = 43,532.07

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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.