Home / 68,726.26-94,840.63-40,433.77

Finding the Fourth Proportional to 68,726.26, 94,840.63 and 40,433.77

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Solution

The fourth proportional to 68,726.26, 94,840.63 and 40,433.77 is: 55,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,726.26 : 94,840.63 = 40,433.77 : x
  2. Step 2: Convert to fraction form
    68,726.26/94,840.63 = 40,433.77/x
  3. Step 3: Cross multiply
    68,726.26x = 94,840.63 × 40,433.77
  4. Step 4: Simplify right side
    68,726.26x = 3,834,764,220.08
  5. Step 5: Solve for x
    x = 3,834,764,220.08/68,726.26
  6. Step 6: Final answer
    x = 55,797.66

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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.