Home / 109,443.36-164,173.14-39,323.28

Finding the Fourth Proportional to 109,443.36, 164,173.14 and 39,323.28

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Solution

The fourth proportional to 109,443.36, 164,173.14 and 39,323.28 is: 58,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,443.36 : 164,173.14 = 39,323.28 : x
  2. Step 2: Convert to fraction form
    109,443.36/164,173.14 = 39,323.28/x
  3. Step 3: Cross multiply
    109,443.36x = 164,173.14 × 39,323.28
  4. Step 4: Simplify right side
    109,443.36x = 6,455,826,352.70
  5. Step 5: Solve for x
    x = 6,455,826,352.70/109,443.36
  6. Step 6: Final answer
    x = 58,987.83

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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.