Home / 117,169.58-161,693.17-63,453.35

Finding the Fourth Proportional to 117,169.58, 161,693.17 and 63,453.35

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Solution

The fourth proportional to 117,169.58, 161,693.17 and 63,453.35 is: 87,565.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,169.58 : 161,693.17 = 63,453.35 : x
  2. Step 2: Convert to fraction form
    117,169.58/161,693.17 = 63,453.35/x
  3. Step 3: Cross multiply
    117,169.58x = 161,693.17 × 63,453.35
  4. Step 4: Simplify right side
    117,169.58x = 10,259,973,554.22
  5. Step 5: Solve for x
    x = 10,259,973,554.22/117,169.58
  6. Step 6: Final answer
    x = 87,565.16

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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.