Home / 66,122.07-91,247.51-37,440.98

Finding the Fourth Proportional to 66,122.07, 91,247.51 and 37,440.98

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Solution

The fourth proportional to 66,122.07, 91,247.51 and 37,440.98 is: 51,668.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,122.07 : 91,247.51 = 37,440.98 : x
  2. Step 2: Convert to fraction form
    66,122.07/91,247.51 = 37,440.98/x
  3. Step 3: Cross multiply
    66,122.07x = 91,247.51 × 37,440.98
  4. Step 4: Simplify right side
    66,122.07x = 3,416,396,689.77
  5. Step 5: Solve for x
    x = 3,416,396,689.77/66,122.07
  6. Step 6: Final answer
    x = 51,668.02

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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.