Home / 74,475.19-102,692.34-69,751.27

Finding the Fourth Proportional to 74,475.19, 102,692.34 and 69,751.27

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Solution

The fourth proportional to 74,475.19, 102,692.34 and 69,751.27 is: 96,178.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,475.19 : 102,692.34 = 69,751.27 : x
  2. Step 2: Convert to fraction form
    74,475.19/102,692.34 = 69,751.27/x
  3. Step 3: Cross multiply
    74,475.19x = 102,692.34 × 69,751.27
  4. Step 4: Simplify right side
    74,475.19x = 7,162,921,134.27
  5. Step 5: Solve for x
    x = 7,162,921,134.27/74,475.19
  6. Step 6: Final answer
    x = 96,178.62

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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.