Home / 48,988.12-67,583.49-31,986.49

Finding the Fourth Proportional to 48,988.12, 67,583.49 and 31,986.49

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Solution

The fourth proportional to 48,988.12, 67,583.49 and 31,986.49 is: 44,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988.12 : 67,583.49 = 31,986.49 : x
  2. Step 2: Convert to fraction form
    48,988.12/67,583.49 = 31,986.49/x
  3. Step 3: Cross multiply
    48,988.12x = 67,583.49 × 31,986.49
  4. Step 4: Simplify right side
    48,988.12x = 2,161,758,627.05
  5. Step 5: Solve for x
    x = 2,161,758,627.05/48,988.12
  6. Step 6: Final answer
    x = 44,128.22

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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.