Home / 117,868.01-162,661.85-64,154.97

Finding the Fourth Proportional to 117,868.01, 162,661.85 and 64,154.97

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Solution

The fourth proportional to 117,868.01, 162,661.85 and 64,154.97 is: 88,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,868.01 : 162,661.85 = 64,154.97 : x
  2. Step 2: Convert to fraction form
    117,868.01/162,661.85 = 64,154.97/x
  3. Step 3: Cross multiply
    117,868.01x = 162,661.85 × 64,154.97
  4. Step 4: Simplify right side
    117,868.01x = 10,435,565,786.12
  5. Step 5: Solve for x
    x = 10,435,565,786.12/117,868.01
  6. Step 6: Final answer
    x = 88,536.03

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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.