Home / 54,173.52-74,729.37-31,509.96

Finding the Fourth Proportional to 54,173.52, 74,729.37 and 31,509.96

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Solution

The fourth proportional to 54,173.52, 74,729.37 and 31,509.96 is: 43,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,173.52 : 74,729.37 = 31,509.96 : x
  2. Step 2: Convert to fraction form
    54,173.52/74,729.37 = 31,509.96/x
  3. Step 3: Cross multiply
    54,173.52x = 74,729.37 × 31,509.96
  4. Step 4: Simplify right side
    54,173.52x = 2,354,719,459.53
  5. Step 5: Solve for x
    x = 2,354,719,459.53/54,173.52
  6. Step 6: Final answer
    x = 43,466.24

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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.