Home / 95,151.23-131,322.69-54,857.12

Finding the Fourth Proportional to 95,151.23, 131,322.69 and 54,857.12

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Solution

The fourth proportional to 95,151.23, 131,322.69 and 54,857.12 is: 75,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,151.23 : 131,322.69 = 54,857.12 : x
  2. Step 2: Convert to fraction form
    95,151.23/131,322.69 = 54,857.12/x
  3. Step 3: Cross multiply
    95,151.23x = 131,322.69 × 54,857.12
  4. Step 4: Simplify right side
    95,151.23x = 7,203,984,289.77
  5. Step 5: Solve for x
    x = 7,203,984,289.77/95,151.23
  6. Step 6: Final answer
    x = 75,710.89

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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.