Home / 54,592.21-75,378.32-53,720.31

Finding the Fourth Proportional to 54,592.21, 75,378.32 and 53,720.31

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Solution

The fourth proportional to 54,592.21, 75,378.32 and 53,720.31 is: 74,174.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,592.21 : 75,378.32 = 53,720.31 : x
  2. Step 2: Convert to fraction form
    54,592.21/75,378.32 = 53,720.31/x
  3. Step 3: Cross multiply
    54,592.21x = 75,378.32 × 53,720.31
  4. Step 4: Simplify right side
    54,592.21x = 4,049,346,933.20
  5. Step 5: Solve for x
    x = 4,049,346,933.20/54,592.21
  6. Step 6: Final answer
    x = 74,174.44

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1.5x scale

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.