Home / 117,326.82-161,909.51-63,611.67

Finding the Fourth Proportional to 117,326.82, 161,909.51 and 63,611.67

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Solution

The fourth proportional to 117,326.82, 161,909.51 and 63,611.67 is: 87,783.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,326.82 : 161,909.51 = 63,611.67 : x
  2. Step 2: Convert to fraction form
    117,326.82/161,909.51 = 63,611.67/x
  3. Step 3: Cross multiply
    117,326.82x = 161,909.51 × 63,611.67
  4. Step 4: Simplify right side
    117,326.82x = 10,299,334,001.92
  5. Step 5: Solve for x
    x = 10,299,334,001.92/117,326.82
  6. Step 6: Final answer
    x = 87,783.29

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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.