Home / 79,252.57-109,379.76-49,047.63

Finding the Fourth Proportional to 79,252.57, 109,379.76 and 49,047.63

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Solution

The fourth proportional to 79,252.57, 109,379.76 and 49,047.63 is: 67,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,252.57 : 109,379.76 = 49,047.63 : x
  2. Step 2: Convert to fraction form
    79,252.57/109,379.76 = 49,047.63/x
  3. Step 3: Cross multiply
    79,252.57x = 109,379.76 × 49,047.63
  4. Step 4: Simplify right side
    79,252.57x = 5,364,817,997.97
  5. Step 5: Solve for x
    x = 5,364,817,997.97/79,252.57
  6. Step 6: Final answer
    x = 67,692.67

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1.5x scale

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.