Home / 67,531.51-93,196.74-40,682.44

Finding the Fourth Proportional to 67,531.51, 93,196.74 and 40,682.44

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Solution

The fourth proportional to 67,531.51, 93,196.74 and 40,682.44 is: 56,143.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,531.51 : 93,196.74 = 40,682.44 : x
  2. Step 2: Convert to fraction form
    67,531.51/93,196.74 = 40,682.44/x
  3. Step 3: Cross multiply
    67,531.51x = 93,196.74 × 40,682.44
  4. Step 4: Simplify right side
    67,531.51x = 3,791,470,783.25
  5. Step 5: Solve for x
    x = 3,791,470,783.25/67,531.51
  6. Step 6: Final answer
    x = 56,143.73

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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.