Home / 117,601.36-162,291-63,886.78

Finding the Fourth Proportional to 117,601.36, 162,291 and 63,886.78

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Solution

The fourth proportional to 117,601.36, 162,291 and 63,886.78 is: 88,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,601.36 : 162,291 = 63,886.78 : x
  2. Step 2: Convert to fraction form
    117,601.36/162,291 = 63,886.78/x
  3. Step 3: Cross multiply
    117,601.36x = 162,291 × 63,886.78
  4. Step 4: Simplify right side
    117,601.36x = 10,368,249,412.98
  5. Step 5: Solve for x
    x = 10,368,249,412.98/117,601.36
  6. Step 6: Final answer
    x = 88,164.37

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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.