Home / 68,392.89-94,421.43-52,132.55

Finding the Fourth Proportional to 68,392.89, 94,421.43 and 52,132.55

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Solution

The fourth proportional to 68,392.89, 94,421.43 and 52,132.55 is: 71,972.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,392.89 : 94,421.43 = 52,132.55 : x
  2. Step 2: Convert to fraction form
    68,392.89/94,421.43 = 52,132.55/x
  3. Step 3: Cross multiply
    68,392.89x = 94,421.43 × 52,132.55
  4. Step 4: Simplify right side
    68,392.89x = 4,922,429,448.44
  5. Step 5: Solve for x
    x = 4,922,429,448.44/68,392.89
  6. Step 6: Final answer
    x = 71,972.82

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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.