Home / 48,537.54-66,983.40-28,396.53

Finding the Fourth Proportional to 48,537.54, 66,983.40 and 28,396.53

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Solution

The fourth proportional to 48,537.54, 66,983.40 and 28,396.53 is: 39,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.54 : 66,983.40 = 28,396.53 : x
  2. Step 2: Convert to fraction form
    48,537.54/66,983.40 = 28,396.53/x
  3. Step 3: Cross multiply
    48,537.54x = 66,983.40 × 28,396.53
  4. Step 4: Simplify right side
    48,537.54x = 1,902,096,127.60
  5. Step 5: Solve for x
    x = 1,902,096,127.60/48,537.54
  6. Step 6: Final answer
    x = 39,188.14

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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.