Home / 113,816.64-170,812.08-51,530.88

Finding the Fourth Proportional to 113,816.64, 170,812.08 and 51,530.88

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Solution

The fourth proportional to 113,816.64, 170,812.08 and 51,530.88 is: 77,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,816.64 : 170,812.08 = 51,530.88 : x
  2. Step 2: Convert to fraction form
    113,816.64/170,812.08 = 51,530.88/x
  3. Step 3: Cross multiply
    113,816.64x = 170,812.08 × 51,530.88
  4. Step 4: Simplify right side
    113,816.64x = 8,802,096,797.03
  5. Step 5: Solve for x
    x = 8,802,096,797.03/113,816.64
  6. Step 6: Final answer
    x = 77,335.76

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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.