Home / 117,591.15-162,276.63-63,876.18

Finding the Fourth Proportional to 117,591.15, 162,276.63 and 63,876.18

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Solution

The fourth proportional to 117,591.15, 162,276.63 and 63,876.18 is: 88,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.15 : 162,276.63 = 63,876.18 : x
  2. Step 2: Convert to fraction form
    117,591.15/162,276.63 = 63,876.18/x
  3. Step 3: Cross multiply
    117,591.15x = 162,276.63 × 63,876.18
  4. Step 4: Simplify right side
    117,591.15x = 10,365,611,227.67
  5. Step 5: Solve for x
    x = 10,365,611,227.67/117,591.15
  6. Step 6: Final answer
    x = 88,149.59

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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.