Home / 120,066.24-180,056.16-41,159.28

Finding the Fourth Proportional to 120,066.24, 180,056.16 and 41,159.28

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Solution

The fourth proportional to 120,066.24, 180,056.16 and 41,159.28 is: 61,724.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,066.24 : 180,056.16 = 41,159.28 : x
  2. Step 2: Convert to fraction form
    120,066.24/180,056.16 = 41,159.28/x
  3. Step 3: Cross multiply
    120,066.24x = 180,056.16 × 41,159.28
  4. Step 4: Simplify right side
    120,066.24x = 7,410,981,905.16
  5. Step 5: Solve for x
    x = 7,410,981,905.16/120,066.24
  6. Step 6: Final answer
    x = 61,724.11

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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.