Home / 117,591.40-162,276.98-63,876.43

Finding the Fourth Proportional to 117,591.40, 162,276.98 and 63,876.43

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Solution

The fourth proportional to 117,591.40, 162,276.98 and 63,876.43 is: 88,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,591.40 : 162,276.98 = 63,876.43 : x
  2. Step 2: Convert to fraction form
    117,591.40/162,276.98 = 63,876.43/x
  3. Step 3: Cross multiply
    117,591.40x = 162,276.98 × 63,876.43
  4. Step 4: Simplify right side
    117,591.40x = 10,365,674,153.58
  5. Step 5: Solve for x
    x = 10,365,674,153.58/117,591.40
  6. Step 6: Final answer
    x = 88,149.93

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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.