Home / 117,820.44-162,590.64-64,104.36

Finding the Fourth Proportional to 117,820.44, 162,590.64 and 64,104.36

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Solution

The fourth proportional to 117,820.44, 162,590.64 and 64,104.36 is: 88,463.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,820.44 : 162,590.64 = 64,104.36 : x
  2. Step 2: Convert to fraction form
    117,820.44/162,590.64 = 64,104.36/x
  3. Step 3: Cross multiply
    117,820.44x = 162,590.64 × 64,104.36
  4. Step 4: Simplify right side
    117,820.44x = 10,422,768,919.19
  5. Step 5: Solve for x
    x = 10,422,768,919.19/117,820.44
  6. Step 6: Final answer
    x = 88,463.16

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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.