Home / 117,790.44-162,549.24-64,074.32

Finding the Fourth Proportional to 117,790.44, 162,549.24 and 64,074.32

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Solution

The fourth proportional to 117,790.44, 162,549.24 and 64,074.32 is: 88,421.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,790.44 : 162,549.24 = 64,074.32 : x
  2. Step 2: Convert to fraction form
    117,790.44/162,549.24 = 64,074.32/x
  3. Step 3: Cross multiply
    117,790.44x = 162,549.24 × 64,074.32
  4. Step 4: Simplify right side
    117,790.44x = 10,415,232,019.52
  5. Step 5: Solve for x
    x = 10,415,232,019.52/117,790.44
  6. Step 6: Final answer
    x = 88,421.71

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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.