Home / 54,897.15-82,346.63-15,455.21

Finding the Fourth Proportional to 54,897.15, 82,346.63 and 15,455.21

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Solution

The fourth proportional to 54,897.15, 82,346.63 and 15,455.21 is: 23,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,897.15 : 82,346.63 = 15,455.21 : x
  2. Step 2: Convert to fraction form
    54,897.15/82,346.63 = 15,455.21/x
  3. Step 3: Cross multiply
    54,897.15x = 82,346.63 × 15,455.21
  4. Step 4: Simplify right side
    54,897.15x = 1,272,684,459.44
  5. Step 5: Solve for x
    x = 1,272,684,459.44/54,897.15
  6. Step 6: Final answer
    x = 23,183.07

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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.