Home / 48,685.41-72,880.11-31,167.54

Finding the Fourth Proportional to 48,685.41, 72,880.11 and 31,167.54

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Solution

The fourth proportional to 48,685.41, 72,880.11 and 31,167.54 is: 46,656.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,685.41 : 72,880.11 = 31,167.54 : x
  2. Step 2: Convert to fraction form
    48,685.41/72,880.11 = 31,167.54/x
  3. Step 3: Cross multiply
    48,685.41x = 72,880.11 × 31,167.54
  4. Step 4: Simplify right side
    48,685.41x = 2,271,493,743.63
  5. Step 5: Solve for x
    x = 2,271,493,743.63/48,685.41
  6. Step 6: Final answer
    x = 46,656.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.