Home / 117,531.03-162,188.27-63,814.82

Finding the Fourth Proportional to 117,531.03, 162,188.27 and 63,814.82

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Solution

The fourth proportional to 117,531.03, 162,188.27 and 63,814.82 is: 88,061.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,531.03 : 162,188.27 = 63,814.82 : x
  2. Step 2: Convert to fraction form
    117,531.03/162,188.27 = 63,814.82/x
  3. Step 3: Cross multiply
    117,531.03x = 162,188.27 × 63,814.82
  4. Step 4: Simplify right side
    117,531.03x = 10,350,014,365.45
  5. Step 5: Solve for x
    x = 10,350,014,365.45/117,531.03
  6. Step 6: Final answer
    x = 88,061.97

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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.