Home / 79,470.27-109,669.21-43,660.98

Finding the Fourth Proportional to 79,470.27, 109,669.21 and 43,660.98

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Solution

The fourth proportional to 79,470.27, 109,669.21 and 43,660.98 is: 60,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,470.27 : 109,669.21 = 43,660.98 : x
  2. Step 2: Convert to fraction form
    79,470.27/109,669.21 = 43,660.98/x
  3. Step 3: Cross multiply
    79,470.27x = 109,669.21 × 43,660.98
  4. Step 4: Simplify right side
    79,470.27x = 4,788,265,075.27
  5. Step 5: Solve for x
    x = 4,788,265,075.27/79,470.27
  6. Step 6: Final answer
    x = 60,252.28

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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.