Home / 66,025.03-98,988.29-39,723.61

Finding the Fourth Proportional to 66,025.03, 98,988.29 and 39,723.61

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Solution

The fourth proportional to 66,025.03, 98,988.29 and 39,723.61 is: 59,555.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,025.03 : 98,988.29 = 39,723.61 : x
  2. Step 2: Convert to fraction form
    66,025.03/98,988.29 = 39,723.61/x
  3. Step 3: Cross multiply
    66,025.03x = 98,988.29 × 39,723.61
  4. Step 4: Simplify right side
    66,025.03x = 3,932,172,226.53
  5. Step 5: Solve for x
    x = 3,932,172,226.53/66,025.03
  6. Step 6: Final answer
    x = 59,555.78

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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.