Home / 55,719.97-76,874.87-31,829.74

Finding the Fourth Proportional to 55,719.97, 76,874.87 and 31,829.74

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Solution

The fourth proportional to 55,719.97, 76,874.87 and 31,829.74 is: 43,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,719.97 : 76,874.87 = 31,829.74 : x
  2. Step 2: Convert to fraction form
    55,719.97/76,874.87 = 31,829.74/x
  3. Step 3: Cross multiply
    55,719.97x = 76,874.87 × 31,829.74
  4. Step 4: Simplify right side
    55,719.97x = 2,446,907,012.02
  5. Step 5: Solve for x
    x = 2,446,907,012.02/55,719.97
  6. Step 6: Final answer
    x = 43,914.37

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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.