Home / 115,964.10-173,816.55-66,068.10

Finding the Fourth Proportional to 115,964.10, 173,816.55 and 66,068.10

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Solution

The fourth proportional to 115,964.10, 173,816.55 and 66,068.10 is: 99,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964.10 : 173,816.55 = 66,068.10 : x
  2. Step 2: Convert to fraction form
    115,964.10/173,816.55 = 66,068.10/x
  3. Step 3: Cross multiply
    115,964.10x = 173,816.55 × 66,068.10
  4. Step 4: Simplify right side
    115,964.10x = 11,483,729,207.06
  5. Step 5: Solve for x
    x = 11,483,729,207.06/115,964.10
  6. Step 6: Final answer
    x = 99,028.31

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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.