Home / 54,155.44-74,568.36-47,403.28

Finding the Fourth Proportional to 54,155.44, 74,568.36 and 47,403.28

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Solution

The fourth proportional to 54,155.44, 74,568.36 and 47,403.28 is: 65,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.44 : 74,568.36 = 47,403.28 : x
  2. Step 2: Convert to fraction form
    54,155.44/74,568.36 = 47,403.28/x
  3. Step 3: Cross multiply
    54,155.44x = 74,568.36 × 47,403.28
  4. Step 4: Simplify right side
    54,155.44x = 3,534,784,848.22
  5. Step 5: Solve for x
    x = 3,534,784,848.22/54,155.44
  6. Step 6: Final answer
    x = 65,271.09

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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.