Home / 64,723.24-89,317.87-36,428.92

Finding the Fourth Proportional to 64,723.24, 89,317.87 and 36,428.92

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Solution

The fourth proportional to 64,723.24, 89,317.87 and 36,428.92 is: 50,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,723.24 : 89,317.87 = 36,428.92 : x
  2. Step 2: Convert to fraction form
    64,723.24/89,317.87 = 36,428.92/x
  3. Step 3: Cross multiply
    64,723.24x = 89,317.87 × 36,428.92
  4. Step 4: Simplify right side
    64,723.24x = 3,253,753,540.80
  5. Step 5: Solve for x
    x = 3,253,753,540.80/64,723.24
  6. Step 6: Final answer
    x = 50,271.80

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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.