Home / 107,612.19-161,422.37-54,960.17

Finding the Fourth Proportional to 107,612.19, 161,422.37 and 54,960.17

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Solution

The fourth proportional to 107,612.19, 161,422.37 and 54,960.17 is: 82,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,612.19 : 161,422.37 = 54,960.17 : x
  2. Step 2: Convert to fraction form
    107,612.19/161,422.37 = 54,960.17/x
  3. Step 3: Cross multiply
    107,612.19x = 161,422.37 × 54,960.17
  4. Step 4: Simplify right side
    107,612.19x = 8,871,799,815.09
  5. Step 5: Solve for x
    x = 8,871,799,815.09/107,612.19
  6. Step 6: Final answer
    x = 82,442.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.