Home / 54,416.10-81,595.14-18,868.37

Finding the Fourth Proportional to 54,416.10, 81,595.14 and 18,868.37

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Solution

The fourth proportional to 54,416.10, 81,595.14 and 18,868.37 is: 28,292.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,416.10 : 81,595.14 = 18,868.37 : x
  2. Step 2: Convert to fraction form
    54,416.10/81,595.14 = 18,868.37/x
  3. Step 3: Cross multiply
    54,416.10x = 81,595.14 × 18,868.37
  4. Step 4: Simplify right side
    54,416.10x = 1,539,566,883.75
  5. Step 5: Solve for x
    x = 1,539,566,883.75/54,416.10
  6. Step 6: Final answer
    x = 28,292.49

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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.