Home / 117,904.41-162,707.97-64,189.43

Finding the Fourth Proportional to 117,904.41, 162,707.97 and 64,189.43

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Solution

The fourth proportional to 117,904.41, 162,707.97 and 64,189.43 is: 88,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,904.41 : 162,707.97 = 64,189.43 : x
  2. Step 2: Convert to fraction form
    117,904.41/162,707.97 = 64,189.43/x
  3. Step 3: Cross multiply
    117,904.41x = 162,707.97 × 64,189.43
  4. Step 4: Simplify right side
    117,904.41x = 10,444,131,888.08
  5. Step 5: Solve for x
    x = 10,444,131,888.08/117,904.41
  6. Step 6: Final answer
    x = 88,581.35

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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.