Home / 66,168.93-99,197.59-28,700.79

Finding the Fourth Proportional to 66,168.93, 99,197.59 and 28,700.79

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Solution

The fourth proportional to 66,168.93, 99,197.59 and 28,700.79 is: 43,026.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,168.93 : 99,197.59 = 28,700.79 : x
  2. Step 2: Convert to fraction form
    66,168.93/99,197.59 = 28,700.79/x
  3. Step 3: Cross multiply
    66,168.93x = 99,197.59 × 28,700.79
  4. Step 4: Simplify right side
    66,168.93x = 2,847,049,112.06
  5. Step 5: Solve for x
    x = 2,847,049,112.06/66,168.93
  6. Step 6: Final answer
    x = 43,026.98

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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.