Home / 89,027.28-122,857.56-48,741.12

Finding the Fourth Proportional to 89,027.28, 122,857.56 and 48,741.12

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Solution

The fourth proportional to 89,027.28, 122,857.56 and 48,741.12 is: 67,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,027.28 : 122,857.56 = 48,741.12 : x
  2. Step 2: Convert to fraction form
    89,027.28/122,857.56 = 48,741.12/x
  3. Step 3: Cross multiply
    89,027.28x = 122,857.56 × 48,741.12
  4. Step 4: Simplify right side
    89,027.28x = 5,988,215,074.87
  5. Step 5: Solve for x
    x = 5,988,215,074.87/89,027.28
  6. Step 6: Final answer
    x = 67,262.70

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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.