Home / 79,501.10-109,713.08-43,692.62

Finding the Fourth Proportional to 79,501.10, 109,713.08 and 43,692.62

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Solution

The fourth proportional to 79,501.10, 109,713.08 and 43,692.62 is: 60,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,501.10 : 109,713.08 = 43,692.62 : x
  2. Step 2: Convert to fraction form
    79,501.10/109,713.08 = 43,692.62/x
  3. Step 3: Cross multiply
    79,501.10x = 109,713.08 × 43,692.62
  4. Step 4: Simplify right side
    79,501.10x = 4,793,651,474.14
  5. Step 5: Solve for x
    x = 4,793,651,474.14/79,501.10
  6. Step 6: Final answer
    x = 60,296.67

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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.