Home / 117,431.07-162,053.60-63,717.27

Finding the Fourth Proportional to 117,431.07, 162,053.60 and 63,717.27

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Solution

The fourth proportional to 117,431.07, 162,053.60 and 63,717.27 is: 87,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,431.07 : 162,053.60 = 63,717.27 : x
  2. Step 2: Convert to fraction form
    117,431.07/162,053.60 = 63,717.27/x
  3. Step 3: Cross multiply
    117,431.07x = 162,053.60 × 63,717.27
  4. Step 4: Simplify right side
    117,431.07x = 10,325,612,667.09
  5. Step 5: Solve for x
    x = 10,325,612,667.09/117,431.07
  6. Step 6: Final answer
    x = 87,929.14

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1.5x scale

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.