Home / 71,772.74-98,943.73-50,485.94

Finding the Fourth Proportional to 71,772.74, 98,943.73 and 50,485.94

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Solution

The fourth proportional to 71,772.74, 98,943.73 and 50,485.94 is: 69,598.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,772.74 : 98,943.73 = 50,485.94 : x
  2. Step 2: Convert to fraction form
    71,772.74/98,943.73 = 50,485.94/x
  3. Step 3: Cross multiply
    71,772.74x = 98,943.73 × 50,485.94
  4. Step 4: Simplify right side
    71,772.74x = 4,995,267,216.16
  5. Step 5: Solve for x
    x = 4,995,267,216.16/71,772.74
  6. Step 6: Final answer
    x = 69,598.39

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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.