Home / 66,247.81-91,425.18-37,953.57

Finding the Fourth Proportional to 66,247.81, 91,425.18 and 37,953.57

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Solution

The fourth proportional to 66,247.81, 91,425.18 and 37,953.57 is: 52,377.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,247.81 : 91,425.18 = 37,953.57 : x
  2. Step 2: Convert to fraction form
    66,247.81/91,425.18 = 37,953.57/x
  3. Step 3: Cross multiply
    66,247.81x = 91,425.18 × 37,953.57
  4. Step 4: Simplify right side
    66,247.81x = 3,469,911,968.89
  5. Step 5: Solve for x
    x = 3,469,911,968.89/66,247.81
  6. Step 6: Final answer
    x = 52,377.76

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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.