Home / 66,520.86-99,722.61-27,110.94

Finding the Fourth Proportional to 66,520.86, 99,722.61 and 27,110.94

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Solution

The fourth proportional to 66,520.86, 99,722.61 and 27,110.94 is: 40,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,520.86 : 99,722.61 = 27,110.94 : x
  2. Step 2: Convert to fraction form
    66,520.86/99,722.61 = 27,110.94/x
  3. Step 3: Cross multiply
    66,520.86x = 99,722.61 × 27,110.94
  4. Step 4: Simplify right side
    66,520.86x = 2,703,573,696.35
  5. Step 5: Solve for x
    x = 2,703,573,696.35/66,520.86
  6. Step 6: Final answer
    x = 40,642.49

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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.