Home / 109,815.65-164,735.58-34,918.28

Finding the Fourth Proportional to 109,815.65, 164,735.58 and 34,918.28

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Solution

The fourth proportional to 109,815.65, 164,735.58 and 34,918.28 is: 52,381.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815.65 : 164,735.58 = 34,918.28 : x
  2. Step 2: Convert to fraction form
    109,815.65/164,735.58 = 34,918.28/x
  3. Step 3: Cross multiply
    109,815.65x = 164,735.58 × 34,918.28
  4. Step 4: Simplify right side
    109,815.65x = 5,752,282,284.72
  5. Step 5: Solve for x
    x = 5,752,282,284.72/109,815.65
  6. Step 6: Final answer
    x = 52,381.26

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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.