Home / 116,744.72-161,108.44-66,443.68

Finding the Fourth Proportional to 116,744.72, 161,108.44 and 66,443.68

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Solution

The fourth proportional to 116,744.72, 161,108.44 and 66,443.68 is: 91,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,744.72 : 161,108.44 = 66,443.68 : x
  2. Step 2: Convert to fraction form
    116,744.72/161,108.44 = 66,443.68/x
  3. Step 3: Cross multiply
    116,744.72x = 161,108.44 × 66,443.68
  4. Step 4: Simplify right side
    116,744.72x = 10,704,637,632.66
  5. Step 5: Solve for x
    x = 10,704,637,632.66/116,744.72
  6. Step 6: Final answer
    x = 91,692.69

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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.