Home / 79,363.50-109,518.18-43,554.11

Finding the Fourth Proportional to 79,363.50, 109,518.18 and 43,554.11

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Solution

The fourth proportional to 79,363.50, 109,518.18 and 43,554.11 is: 60,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,363.50 : 109,518.18 = 43,554.11 : x
  2. Step 2: Convert to fraction form
    79,363.50/109,518.18 = 43,554.11/x
  3. Step 3: Cross multiply
    79,363.50x = 109,518.18 × 43,554.11
  4. Step 4: Simplify right side
    79,363.50x = 4,769,966,693.81
  5. Step 5: Solve for x
    x = 4,769,966,693.81/79,363.50
  6. Step 6: Final answer
    x = 60,102.78

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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.