Home / 55,274.73-76,278.75-31,401.41

Finding the Fourth Proportional to 55,274.73, 76,278.75 and 31,401.41

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Solution

The fourth proportional to 55,274.73, 76,278.75 and 31,401.41 is: 43,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.73 : 76,278.75 = 31,401.41 : x
  2. Step 2: Convert to fraction form
    55,274.73/76,278.75 = 31,401.41/x
  3. Step 3: Cross multiply
    55,274.73x = 76,278.75 × 31,401.41
  4. Step 4: Simplify right side
    55,274.73x = 2,395,259,921.64
  5. Step 5: Solve for x
    x = 2,395,259,921.64/55,274.73
  6. Step 6: Final answer
    x = 43,333.72

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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.