Home / 54,187.44-74,612.52-47,435.28

Finding the Fourth Proportional to 54,187.44, 74,612.52 and 47,435.28

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Solution

The fourth proportional to 54,187.44, 74,612.52 and 47,435.28 is: 65,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.44 : 74,612.52 = 47,435.28 : x
  2. Step 2: Convert to fraction form
    54,187.44/74,612.52 = 47,435.28/x
  3. Step 3: Cross multiply
    54,187.44x = 74,612.52 × 47,435.28
  4. Step 4: Simplify right side
    54,187.44x = 3,539,265,777.71
  5. Step 5: Solve for x
    x = 3,539,265,777.71/54,187.44
  6. Step 6: Final answer
    x = 65,315.24

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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.