Home / 78,021.91-107,670.18-44,037.55

Finding the Fourth Proportional to 78,021.91, 107,670.18 and 44,037.55

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Solution

The fourth proportional to 78,021.91, 107,670.18 and 44,037.55 is: 60,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,021.91 : 107,670.18 = 44,037.55 : x
  2. Step 2: Convert to fraction form
    78,021.91/107,670.18 = 44,037.55/x
  3. Step 3: Cross multiply
    78,021.91x = 107,670.18 × 44,037.55
  4. Step 4: Simplify right side
    78,021.91x = 4,741,530,935.26
  5. Step 5: Solve for x
    x = 4,741,530,935.26/78,021.91
  6. Step 6: Final answer
    x = 60,771.79

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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.