Home / 54,512.35-81,800.25-22,920.12

Finding the Fourth Proportional to 54,512.35, 81,800.25 and 22,920.12

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Solution

The fourth proportional to 54,512.35, 81,800.25 and 22,920.12 is: 34,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,512.35 : 81,800.25 = 22,920.12 : x
  2. Step 2: Convert to fraction form
    54,512.35/81,800.25 = 22,920.12/x
  3. Step 3: Cross multiply
    54,512.35x = 81,800.25 × 22,920.12
  4. Step 4: Simplify right side
    54,512.35x = 1,874,871,460.08
  5. Step 5: Solve for x
    x = 1,874,871,460.08/54,512.35
  6. Step 6: Final answer
    x = 34,393.52

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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.