Home / 68,189.28-94,223.25-53,120.85

Finding the Fourth Proportional to 68,189.28, 94,223.25 and 53,120.85

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Solution

The fourth proportional to 68,189.28, 94,223.25 and 53,120.85 is: 73,401.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.28 : 94,223.25 = 53,120.85 : x
  2. Step 2: Convert to fraction form
    68,189.28/94,223.25 = 53,120.85/x
  3. Step 3: Cross multiply
    68,189.28x = 94,223.25 × 53,120.85
  4. Step 4: Simplify right side
    68,189.28x = 5,005,219,129.76
  5. Step 5: Solve for x
    x = 5,005,219,129.76/68,189.28
  6. Step 6: Final answer
    x = 73,401.85

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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.