Home / 79,470.46-109,669.98-43,661.22

Finding the Fourth Proportional to 79,470.46, 109,669.98 and 43,661.22

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Solution

The fourth proportional to 79,470.46, 109,669.98 and 43,661.22 is: 60,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.46 : 109,669.98 = 43,661.22 : x
  2. Step 2: Convert to fraction form
    79,470.46/109,669.98 = 43,661.22/x
  3. Step 3: Cross multiply
    79,470.46x = 109,669.98 × 43,661.22
  4. Step 4: Simplify right side
    79,470.46x = 4,788,325,124.18
  5. Step 5: Solve for x
    x = 4,788,325,124.18/79,470.46
  6. Step 6: Final answer
    x = 60,252.89

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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.