Home / 51,802.78-77,704.16-34,268.51

Finding the Fourth Proportional to 51,802.78, 77,704.16 and 34,268.51

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Solution

The fourth proportional to 51,802.78, 77,704.16 and 34,268.51 is: 51,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,802.78 : 77,704.16 = 34,268.51 : x
  2. Step 2: Convert to fraction form
    51,802.78/77,704.16 = 34,268.51/x
  3. Step 3: Cross multiply
    51,802.78x = 77,704.16 × 34,268.51
  4. Step 4: Simplify right side
    51,802.78x = 2,662,805,418.40
  5. Step 5: Solve for x
    x = 2,662,805,418.40/51,802.78
  6. Step 6: Final answer
    x = 51,402.75

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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.