Home / 117,563.03-162,278.38-69,816.04

Finding the Fourth Proportional to 117,563.03, 162,278.38 and 69,816.04

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Solution

The fourth proportional to 117,563.03, 162,278.38 and 69,816.04 is: 96,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,563.03 : 162,278.38 = 69,816.04 : x
  2. Step 2: Convert to fraction form
    117,563.03/162,278.38 = 69,816.04/x
  3. Step 3: Cross multiply
    117,563.03x = 162,278.38 × 69,816.04
  4. Step 4: Simplify right side
    117,563.03x = 11,329,633,869.22
  5. Step 5: Solve for x
    x = 11,329,633,869.22/117,563.03
  6. Step 6: Final answer
    x = 96,370.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.