Home / 117,604.90-162,308.67-69,858.44

Finding the Fourth Proportional to 117,604.90, 162,308.67 and 69,858.44

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Solution

The fourth proportional to 117,604.90, 162,308.67 and 69,858.44 is: 96,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,604.90 : 162,308.67 = 69,858.44 : x
  2. Step 2: Convert to fraction form
    117,604.90/162,308.67 = 69,858.44/x
  3. Step 3: Cross multiply
    117,604.90x = 162,308.67 × 69,858.44
  4. Step 4: Simplify right side
    117,604.90x = 11,338,630,484.67
  5. Step 5: Solve for x
    x = 11,338,630,484.67/117,604.90
  6. Step 6: Final answer
    x = 96,412.91

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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.