Home / 117,530.30-162,194.64-63,817.58

Finding the Fourth Proportional to 117,530.30, 162,194.64 and 63,817.58

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Solution

The fourth proportional to 117,530.30, 162,194.64 and 63,817.58 is: 88,069.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,530.30 : 162,194.64 = 63,817.58 : x
  2. Step 2: Convert to fraction form
    117,530.30/162,194.64 = 63,817.58/x
  3. Step 3: Cross multiply
    117,530.30x = 162,194.64 × 63,817.58
  4. Step 4: Simplify right side
    117,530.30x = 10,350,869,413.77
  5. Step 5: Solve for x
    x = 10,350,869,413.77/117,530.30
  6. Step 6: Final answer
    x = 88,069.79

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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.