Home / 117,769.47-162,520.26-64,053.33

Finding the Fourth Proportional to 117,769.47, 162,520.26 and 64,053.33

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Solution

The fourth proportional to 117,769.47, 162,520.26 and 64,053.33 is: 88,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,769.47 : 162,520.26 = 64,053.33 : x
  2. Step 2: Convert to fraction form
    117,769.47/162,520.26 = 64,053.33/x
  3. Step 3: Cross multiply
    117,769.47x = 162,520.26 × 64,053.33
  4. Step 4: Simplify right side
    117,769.47x = 10,409,963,845.47
  5. Step 5: Solve for x
    x = 10,409,963,845.47/117,769.47
  6. Step 6: Final answer
    x = 88,392.72

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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.