Home / 112,489.46-168,996.63-65,775.14

Finding the Fourth Proportional to 112,489.46, 168,996.63 and 65,775.14

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Solution

The fourth proportional to 112,489.46, 168,996.63 and 65,775.14 is: 98,816.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,489.46 : 168,996.63 = 65,775.14 : x
  2. Step 2: Convert to fraction form
    112,489.46/168,996.63 = 65,775.14/x
  3. Step 3: Cross multiply
    112,489.46x = 168,996.63 × 65,775.14
  4. Step 4: Simplify right side
    112,489.46x = 11,115,776,997.78
  5. Step 5: Solve for x
    x = 11,115,776,997.78/112,489.46
  6. Step 6: Final answer
    x = 98,816.16

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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.