Home / 117,191.07-161,723.72-63,475.92

Finding the Fourth Proportional to 117,191.07, 161,723.72 and 63,475.92

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Solution

The fourth proportional to 117,191.07, 161,723.72 and 63,475.92 is: 87,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,191.07 : 161,723.72 = 63,475.92 : x
  2. Step 2: Convert to fraction form
    117,191.07/161,723.72 = 63,475.92/x
  3. Step 3: Cross multiply
    117,191.07x = 161,723.72 × 63,475.92
  4. Step 4: Simplify right side
    117,191.07x = 10,265,562,071.51
  5. Step 5: Solve for x
    x = 10,265,562,071.51/117,191.07
  6. Step 6: Final answer
    x = 87,596.79

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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.