Home / 66,245.24-91,419.60-36,031.22

Finding the Fourth Proportional to 66,245.24, 91,419.60 and 36,031.22

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Solution

The fourth proportional to 66,245.24, 91,419.60 and 36,031.22 is: 49,723.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.24 : 91,419.60 = 36,031.22 : x
  2. Step 2: Convert to fraction form
    66,245.24/91,419.60 = 36,031.22/x
  3. Step 3: Cross multiply
    66,245.24x = 91,419.60 × 36,031.22
  4. Step 4: Simplify right side
    66,245.24x = 3,293,959,262.81
  5. Step 5: Solve for x
    x = 3,293,959,262.81/66,245.24
  6. Step 6: Final answer
    x = 49,723.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.