Home / 48,493.90-72,740.84-13,433.54

Finding the Fourth Proportional to 48,493.90, 72,740.84 and 13,433.54

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Solution

The fourth proportional to 48,493.90, 72,740.84 and 13,433.54 is: 20,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.90 : 72,740.84 = 13,433.54 : x
  2. Step 2: Convert to fraction form
    48,493.90/72,740.84 = 13,433.54/x
  3. Step 3: Cross multiply
    48,493.90x = 72,740.84 × 13,433.54
  4. Step 4: Simplify right side
    48,493.90x = 977,166,983.77
  5. Step 5: Solve for x
    x = 977,166,983.77/48,493.90
  6. Step 6: Final answer
    x = 20,150.31

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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.