Home / 117,450.37-162,081.51-63,735.39

Finding the Fourth Proportional to 117,450.37, 162,081.51 and 63,735.39

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Solution

The fourth proportional to 117,450.37, 162,081.51 and 63,735.39 is: 87,954.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,450.37 : 162,081.51 = 63,735.39 : x
  2. Step 2: Convert to fraction form
    117,450.37/162,081.51 = 63,735.39/x
  3. Step 3: Cross multiply
    117,450.37x = 162,081.51 × 63,735.39
  4. Step 4: Simplify right side
    117,450.37x = 10,330,327,432.13
  5. Step 5: Solve for x
    x = 10,330,327,432.13/117,450.37
  6. Step 6: Final answer
    x = 87,954.83

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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.