Home / 75,508.32-113,016.02-55,512.51

Finding the Fourth Proportional to 75,508.32, 113,016.02 and 55,512.51

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Solution

The fourth proportional to 75,508.32, 113,016.02 and 55,512.51 is: 83,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,508.32 : 113,016.02 = 55,512.51 : x
  2. Step 2: Convert to fraction form
    75,508.32/113,016.02 = 55,512.51/x
  3. Step 3: Cross multiply
    75,508.32x = 113,016.02 × 55,512.51
  4. Step 4: Simplify right side
    75,508.32x = 6,273,802,940.41
  5. Step 5: Solve for x
    x = 6,273,802,940.41/75,508.32
  6. Step 6: Final answer
    x = 83,087.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.