Home / 48,639.12-67,122-26,283.12

Finding the Fourth Proportional to 48,639.12, 67,122 and 26,283.12

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Solution

The fourth proportional to 48,639.12, 67,122 and 26,283.12 is: 36,270.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,639.12 : 67,122 = 26,283.12 : x
  2. Step 2: Convert to fraction form
    48,639.12/67,122 = 26,283.12/x
  3. Step 3: Cross multiply
    48,639.12x = 67,122 × 26,283.12
  4. Step 4: Simplify right side
    48,639.12x = 1,764,175,580.64
  5. Step 5: Solve for x
    x = 1,764,175,580.64/48,639.12
  6. Step 6: Final answer
    x = 36,270.71

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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.