Home / 64,959.38-89,645.36-36,665.27

Finding the Fourth Proportional to 64,959.38, 89,645.36 and 36,665.27

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Solution

The fourth proportional to 64,959.38, 89,645.36 and 36,665.27 is: 50,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,959.38 : 89,645.36 = 36,665.27 : x
  2. Step 2: Convert to fraction form
    64,959.38/89,645.36 = 36,665.27/x
  3. Step 3: Cross multiply
    64,959.38x = 89,645.36 × 36,665.27
  4. Step 4: Simplify right side
    64,959.38x = 3,286,870,697.09
  5. Step 5: Solve for x
    x = 3,286,870,697.09/64,959.38
  6. Step 6: Final answer
    x = 50,598.87

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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.