Home / 79,705.51-109,994.33-43,895.66

Finding the Fourth Proportional to 79,705.51, 109,994.33 and 43,895.66

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Solution

The fourth proportional to 79,705.51, 109,994.33 and 43,895.66 is: 60,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,705.51 : 109,994.33 = 43,895.66 : x
  2. Step 2: Convert to fraction form
    79,705.51/109,994.33 = 43,895.66/x
  3. Step 3: Cross multiply
    79,705.51x = 109,994.33 × 43,895.66
  4. Step 4: Simplify right side
    79,705.51x = 4,828,273,711.61
  5. Step 5: Solve for x
    x = 4,828,273,711.61/79,705.51
  6. Step 6: Final answer
    x = 60,576.41

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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.