Home / 118,619.27-163,696.64-64,908.98

Finding the Fourth Proportional to 118,619.27, 163,696.64 and 64,908.98

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Solution

The fourth proportional to 118,619.27, 163,696.64 and 64,908.98 is: 89,575.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,619.27 : 163,696.64 = 64,908.98 : x
  2. Step 2: Convert to fraction form
    118,619.27/163,696.64 = 64,908.98/x
  3. Step 3: Cross multiply
    118,619.27x = 163,696.64 × 64,908.98
  4. Step 4: Simplify right side
    118,619.27x = 10,625,380,788.80
  5. Step 5: Solve for x
    x = 10,625,380,788.80/118,619.27
  6. Step 6: Final answer
    x = 89,575.51

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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.