Home / 74,851.62-103,295.22-51,019.94

Finding the Fourth Proportional to 74,851.62, 103,295.22 and 51,019.94

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Solution

The fourth proportional to 74,851.62, 103,295.22 and 51,019.94 is: 70,407.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,851.62 : 103,295.22 = 51,019.94 : x
  2. Step 2: Convert to fraction form
    74,851.62/103,295.22 = 51,019.94/x
  3. Step 3: Cross multiply
    74,851.62x = 103,295.22 × 51,019.94
  4. Step 4: Simplify right side
    74,851.62x = 5,270,115,410.21
  5. Step 5: Solve for x
    x = 5,270,115,410.21/74,851.62
  6. Step 6: Final answer
    x = 70,407.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.