Home / 54,360.27-74,985.32-34,185.15

Finding the Fourth Proportional to 54,360.27, 74,985.32 and 34,185.15

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Solution

The fourth proportional to 54,360.27, 74,985.32 and 34,185.15 is: 47,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.27 : 74,985.32 = 34,185.15 : x
  2. Step 2: Convert to fraction form
    54,360.27/74,985.32 = 34,185.15/x
  3. Step 3: Cross multiply
    54,360.27x = 74,985.32 × 34,185.15
  4. Step 4: Simplify right side
    54,360.27x = 2,563,384,241.07
  5. Step 5: Solve for x
    x = 2,563,384,241.07/54,360.27
  6. Step 6: Final answer
    x = 47,155.47

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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.