Home / 109,291.36-163,905.49-46,125.64

Finding the Fourth Proportional to 109,291.36, 163,905.49 and 46,125.64

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Solution

The fourth proportional to 109,291.36, 163,905.49 and 46,125.64 is: 69,175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,291.36 : 163,905.49 = 46,125.64 : x
  2. Step 2: Convert to fraction form
    109,291.36/163,905.49 = 46,125.64/x
  3. Step 3: Cross multiply
    109,291.36x = 163,905.49 × 46,125.64
  4. Step 4: Simplify right side
    109,291.36x = 7,560,245,625.76
  5. Step 5: Solve for x
    x = 7,560,245,625.76/109,291.36
  6. Step 6: Final answer
    x = 69,175.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.