Home / 117,707.35-162,437.51-63,991.19

Finding the Fourth Proportional to 117,707.35, 162,437.51 and 63,991.19

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Solution

The fourth proportional to 117,707.35, 162,437.51 and 63,991.19 is: 88,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,707.35 : 162,437.51 = 63,991.19 : x
  2. Step 2: Convert to fraction form
    117,707.35/162,437.51 = 63,991.19/x
  3. Step 3: Cross multiply
    117,707.35x = 162,437.51 × 63,991.19
  4. Step 4: Simplify right side
    117,707.35x = 10,394,569,565.54
  5. Step 5: Solve for x
    x = 10,394,569,565.54/117,707.35
  6. Step 6: Final answer
    x = 88,308.59

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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.