Home / 66,169.06-99,197.78-28,700.91

Finding the Fourth Proportional to 66,169.06, 99,197.78 and 28,700.91

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Solution

The fourth proportional to 66,169.06, 99,197.78 and 28,700.91 is: 43,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.06 : 99,197.78 = 28,700.91 : x
  2. Step 2: Convert to fraction form
    66,169.06/99,197.78 = 28,700.91/x
  3. Step 3: Cross multiply
    66,169.06x = 99,197.78 × 28,700.91
  4. Step 4: Simplify right side
    66,169.06x = 2,847,066,094.30
  5. Step 5: Solve for x
    x = 2,847,066,094.30/66,169.06
  6. Step 6: Final answer
    x = 43,027.15

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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.