Home / 73,018.36-100,718.94-47,869.48

Finding the Fourth Proportional to 73,018.36, 100,718.94 and 47,869.48

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Solution

The fourth proportional to 73,018.36, 100,718.94 and 47,869.48 is: 66,029.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.36 : 100,718.94 = 47,869.48 : x
  2. Step 2: Convert to fraction form
    73,018.36/100,718.94 = 47,869.48/x
  3. Step 3: Cross multiply
    73,018.36x = 100,718.94 × 47,869.48
  4. Step 4: Simplify right side
    73,018.36x = 4,821,363,283.95
  5. Step 5: Solve for x
    x = 4,821,363,283.95/73,018.36
  6. Step 6: Final answer
    x = 66,029.47

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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.