Home / 116,692.13-161,025.57-65,688.56

Finding the Fourth Proportional to 116,692.13, 161,025.57 and 65,688.56

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Solution

The fourth proportional to 116,692.13, 161,025.57 and 65,688.56 is: 90,644.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,692.13 : 161,025.57 = 65,688.56 : x
  2. Step 2: Convert to fraction form
    116,692.13/161,025.57 = 65,688.56/x
  3. Step 3: Cross multiply
    116,692.13x = 161,025.57 × 65,688.56
  4. Step 4: Simplify right side
    116,692.13x = 10,577,537,011.35
  5. Step 5: Solve for x
    x = 10,577,537,011.35/116,692.13
  6. Step 6: Final answer
    x = 90,644.82

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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.