Home / 40,735.25-61,102.83-11,155.40

Finding the Fourth Proportional to 40,735.25, 61,102.83 and 11,155.40

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Solution

The fourth proportional to 40,735.25, 61,102.83 and 11,155.40 is: 16,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,735.25 : 61,102.83 = 11,155.40 : x
  2. Step 2: Convert to fraction form
    40,735.25/61,102.83 = 11,155.40/x
  3. Step 3: Cross multiply
    40,735.25x = 61,102.83 × 11,155.40
  4. Step 4: Simplify right side
    40,735.25x = 681,626,509.78
  5. Step 5: Solve for x
    x = 681,626,509.78/40,735.25
  6. Step 6: Final answer
    x = 16,733.09

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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.