Home / 61,128.36-91,670.66-33,069.16

Finding the Fourth Proportional to 61,128.36, 91,670.66 and 33,069.16

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Solution

The fourth proportional to 61,128.36, 91,670.66 and 33,069.16 is: 49,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,128.36 : 91,670.66 = 33,069.16 : x
  2. Step 2: Convert to fraction form
    61,128.36/91,670.66 = 33,069.16/x
  3. Step 3: Cross multiply
    61,128.36x = 91,670.66 × 33,069.16
  4. Step 4: Simplify right side
    61,128.36x = 3,031,471,722.85
  5. Step 5: Solve for x
    x = 3,031,471,722.85/61,128.36
  6. Step 6: Final answer
    x = 49,591.90

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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.