Home / 55,097.78-76,033.34-31,226.66

Finding the Fourth Proportional to 55,097.78, 76,033.34 and 31,226.66

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Solution

The fourth proportional to 55,097.78, 76,033.34 and 31,226.66 is: 43,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,097.78 : 76,033.34 = 31,226.66 : x
  2. Step 2: Convert to fraction form
    55,097.78/76,033.34 = 31,226.66/x
  3. Step 3: Cross multiply
    55,097.78x = 76,033.34 × 31,226.66
  4. Step 4: Simplify right side
    55,097.78x = 2,374,267,256.84
  5. Step 5: Solve for x
    x = 2,374,267,256.84/55,097.78
  6. Step 6: Final answer
    x = 43,091.89

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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.