Home / 54,356.52-74,980.14-34,181.40

Finding the Fourth Proportional to 54,356.52, 74,980.14 and 34,181.40

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Solution

The fourth proportional to 54,356.52, 74,980.14 and 34,181.40 is: 47,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,356.52 : 74,980.14 = 34,181.40 : x
  2. Step 2: Convert to fraction form
    54,356.52/74,980.14 = 34,181.40/x
  3. Step 3: Cross multiply
    54,356.52x = 74,980.14 × 34,181.40
  4. Step 4: Simplify right side
    54,356.52x = 2,562,926,157.40
  5. Step 5: Solve for x
    x = 2,562,926,157.40/54,356.52
  6. Step 6: Final answer
    x = 47,150.30

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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.