Home / 67,851.58-93,632.96-40,989.40

Finding the Fourth Proportional to 67,851.58, 93,632.96 and 40,989.40

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Solution

The fourth proportional to 67,851.58, 93,632.96 and 40,989.40 is: 56,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,851.58 : 93,632.96 = 40,989.40 : x
  2. Step 2: Convert to fraction form
    67,851.58/93,632.96 = 40,989.40/x
  3. Step 3: Cross multiply
    67,851.58x = 93,632.96 × 40,989.40
  4. Step 4: Simplify right side
    67,851.58x = 3,837,958,850.62
  5. Step 5: Solve for x
    x = 3,837,958,850.62/67,851.58
  6. Step 6: Final answer
    x = 56,564.03

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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.