Home / 66,221.08-99,330.78-16,301.80

Finding the Fourth Proportional to 66,221.08, 99,330.78 and 16,301.80

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Solution

The fourth proportional to 66,221.08, 99,330.78 and 16,301.80 is: 24,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,221.08 : 99,330.78 = 16,301.80 : x
  2. Step 2: Convert to fraction form
    66,221.08/99,330.78 = 16,301.80/x
  3. Step 3: Cross multiply
    66,221.08x = 99,330.78 × 16,301.80
  4. Step 4: Simplify right side
    66,221.08x = 1,619,270,509.40
  5. Step 5: Solve for x
    x = 1,619,270,509.40/66,221.08
  6. Step 6: Final answer
    x = 24,452.49

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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.