Home / 66,010.23-99,021.17-18,625.74

Finding the Fourth Proportional to 66,010.23, 99,021.17 and 18,625.74

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Solution

The fourth proportional to 66,010.23, 99,021.17 and 18,625.74 is: 27,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,010.23 : 99,021.17 = 18,625.74 : x
  2. Step 2: Convert to fraction form
    66,010.23/99,021.17 = 18,625.74/x
  3. Step 3: Cross multiply
    66,010.23x = 99,021.17 × 18,625.74
  4. Step 4: Simplify right side
    66,010.23x = 1,844,342,566.92
  5. Step 5: Solve for x
    x = 1,844,342,566.92/66,010.23
  6. Step 6: Final answer
    x = 27,940.25

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1.5x scale

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.