Home / 103,217.07-154,788.43-35,730.77

Finding the Fourth Proportional to 103,217.07, 154,788.43 and 35,730.77

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Solution

The fourth proportional to 103,217.07, 154,788.43 and 35,730.77 is: 53,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,217.07 : 154,788.43 = 35,730.77 : x
  2. Step 2: Convert to fraction form
    103,217.07/154,788.43 = 35,730.77/x
  3. Step 3: Cross multiply
    103,217.07x = 154,788.43 × 35,730.77
  4. Step 4: Simplify right side
    103,217.07x = 5,530,708,838.40
  5. Step 5: Solve for x
    x = 5,530,708,838.40/103,217.07
  6. Step 6: Final answer
    x = 53,583.28

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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.