Home / 79,632.16-119,448.24-20,467.89

Finding the Fourth Proportional to 79,632.16, 119,448.24 and 20,467.89

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Solution

The fourth proportional to 79,632.16, 119,448.24 and 20,467.89 is: 30,701.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,632.16 : 119,448.24 = 20,467.89 : x
  2. Step 2: Convert to fraction form
    79,632.16/119,448.24 = 20,467.89/x
  3. Step 3: Cross multiply
    79,632.16x = 119,448.24 × 20,467.89
  4. Step 4: Simplify right side
    79,632.16x = 2,444,853,532.96
  5. Step 5: Solve for x
    x = 2,444,853,532.96/79,632.16
  6. Step 6: Final answer
    x = 30,701.84

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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.