Home / 103,016.22-154,603.44-46,107.78

Finding the Fourth Proportional to 103,016.22, 154,603.44 and 46,107.78

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Solution

The fourth proportional to 103,016.22, 154,603.44 and 46,107.78 is: 69,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,016.22 : 154,603.44 = 46,107.78 : x
  2. Step 2: Convert to fraction form
    103,016.22/154,603.44 = 46,107.78/x
  3. Step 3: Cross multiply
    103,016.22x = 154,603.44 × 46,107.78
  4. Step 4: Simplify right side
    103,016.22x = 7,128,421,398.76
  5. Step 5: Solve for x
    x = 7,128,421,398.76/103,016.22
  6. Step 6: Final answer
    x = 69,197.08

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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.