Home / 66,025.69-91,115.18-35,810.89

Finding the Fourth Proportional to 66,025.69, 91,115.18 and 35,810.89

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Solution

The fourth proportional to 66,025.69, 91,115.18 and 35,810.89 is: 49,418.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,025.69 : 91,115.18 = 35,810.89 : x
  2. Step 2: Convert to fraction form
    66,025.69/91,115.18 = 35,810.89/x
  3. Step 3: Cross multiply
    66,025.69x = 91,115.18 × 35,810.89
  4. Step 4: Simplify right side
    66,025.69x = 3,262,915,232.73
  5. Step 5: Solve for x
    x = 3,262,915,232.73/66,025.69
  6. Step 6: Final answer
    x = 49,418.88

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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.