Home / 64,588.14-96,882.18-20,215.08

Finding the Fourth Proportional to 64,588.14, 96,882.18 and 20,215.08

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Solution

The fourth proportional to 64,588.14, 96,882.18 and 20,215.08 is: 30,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,588.14 : 96,882.18 = 20,215.08 : x
  2. Step 2: Convert to fraction form
    64,588.14/96,882.18 = 20,215.08/x
  3. Step 3: Cross multiply
    64,588.14x = 96,882.18 × 20,215.08
  4. Step 4: Simplify right side
    64,588.14x = 1,958,481,019.27
  5. Step 5: Solve for x
    x = 1,958,481,019.27/64,588.14
  6. Step 6: Final answer
    x = 30,322.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.