Home / 67,639.94-101,464.36-17,721.26

Finding the Fourth Proportional to 67,639.94, 101,464.36 and 17,721.26

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Solution

The fourth proportional to 67,639.94, 101,464.36 and 17,721.26 is: 26,583.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,639.94 : 101,464.36 = 17,721.26 : x
  2. Step 2: Convert to fraction form
    67,639.94/101,464.36 = 17,721.26/x
  3. Step 3: Cross multiply
    67,639.94x = 101,464.36 × 17,721.26
  4. Step 4: Simplify right side
    67,639.94x = 1,798,075,752.67
  5. Step 5: Solve for x
    x = 1,798,075,752.67/67,639.94
  6. Step 6: Final answer
    x = 26,583.05

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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.