Home / 61,963.50-85,509-33,669.30

Finding the Fourth Proportional to 61,963.50, 85,509 and 33,669.30

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Solution

The fourth proportional to 61,963.50, 85,509 and 33,669.30 is: 46,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.50 : 85,509 = 33,669.30 : x
  2. Step 2: Convert to fraction form
    61,963.50/85,509 = 33,669.30/x
  3. Step 3: Cross multiply
    61,963.50x = 85,509 × 33,669.30
  4. Step 4: Simplify right side
    61,963.50x = 2,879,028,173.70
  5. Step 5: Solve for x
    x = 2,879,028,173.70/61,963.50
  6. Step 6: Final answer
    x = 46,463.29

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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.