Home / 64,945.08-89,626.76-36,651.76

Finding the Fourth Proportional to 64,945.08, 89,626.76 and 36,651.76

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Solution

The fourth proportional to 64,945.08, 89,626.76 and 36,651.76 is: 50,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,945.08 : 89,626.76 = 36,651.76 : x
  2. Step 2: Convert to fraction form
    64,945.08/89,626.76 = 36,651.76/x
  3. Step 3: Cross multiply
    64,945.08x = 89,626.76 × 36,651.76
  4. Step 4: Simplify right side
    64,945.08x = 3,284,978,497.10
  5. Step 5: Solve for x
    x = 3,284,978,497.10/64,945.08
  6. Step 6: Final answer
    x = 50,580.87

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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.