Home / 51,789.77-77,696.04-30,749.01

Finding the Fourth Proportional to 51,789.77, 77,696.04 and 30,749.01

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Solution

The fourth proportional to 51,789.77, 77,696.04 and 30,749.01 is: 46,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,789.77 : 77,696.04 = 30,749.01 : x
  2. Step 2: Convert to fraction form
    51,789.77/77,696.04 = 30,749.01/x
  3. Step 3: Cross multiply
    51,789.77x = 77,696.04 × 30,749.01
  4. Step 4: Simplify right side
    51,789.77x = 2,389,076,310.92
  5. Step 5: Solve for x
    x = 2,389,076,310.92/51,789.77
  6. Step 6: Final answer
    x = 46,130.27

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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.