Home / 117,895.03-162,695.16-64,180.03

Finding the Fourth Proportional to 117,895.03, 162,695.16 and 64,180.03

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Solution

The fourth proportional to 117,895.03, 162,695.16 and 64,180.03 is: 88,568.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,895.03 : 162,695.16 = 64,180.03 : x
  2. Step 2: Convert to fraction form
    117,895.03/162,695.16 = 64,180.03/x
  3. Step 3: Cross multiply
    117,895.03x = 162,695.16 × 64,180.03
  4. Step 4: Simplify right side
    117,895.03x = 10,441,780,249.65
  5. Step 5: Solve for x
    x = 10,441,780,249.65/117,895.03
  6. Step 6: Final answer
    x = 88,568.45

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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.