Home / 115,817.58-173,751.89-65,921.18

Finding the Fourth Proportional to 115,817.58, 173,751.89 and 65,921.18

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Solution

The fourth proportional to 115,817.58, 173,751.89 and 65,921.18 is: 98,896.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,817.58 : 173,751.89 = 65,921.18 : x
  2. Step 2: Convert to fraction form
    115,817.58/173,751.89 = 65,921.18/x
  3. Step 3: Cross multiply
    115,817.58x = 173,751.89 × 65,921.18
  4. Step 4: Simplify right side
    115,817.58x = 11,453,928,417.66
  5. Step 5: Solve for x
    x = 11,453,928,417.66/115,817.58
  6. Step 6: Final answer
    x = 98,896.29

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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.