Home / 70,733.78-106,107.59-25,767.35

Finding the Fourth Proportional to 70,733.78, 106,107.59 and 25,767.35

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Solution

The fourth proportional to 70,733.78, 106,107.59 and 25,767.35 is: 38,653.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,733.78 : 106,107.59 = 25,767.35 : x
  2. Step 2: Convert to fraction form
    70,733.78/106,107.59 = 25,767.35/x
  3. Step 3: Cross multiply
    70,733.78x = 106,107.59 × 25,767.35
  4. Step 4: Simplify right side
    70,733.78x = 2,734,111,409.19
  5. Step 5: Solve for x
    x = 2,734,111,409.19/70,733.78
  6. Step 6: Final answer
    x = 38,653.55

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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.