Home / 54,338.08-74,994.96-30,474.40

Finding the Fourth Proportional to 54,338.08, 74,994.96 and 30,474.40

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Solution

The fourth proportional to 54,338.08, 74,994.96 and 30,474.40 is: 42,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.08 : 74,994.96 = 30,474.40 : x
  2. Step 2: Convert to fraction form
    54,338.08/74,994.96 = 30,474.40/x
  3. Step 3: Cross multiply
    54,338.08x = 74,994.96 × 30,474.40
  4. Step 4: Simplify right side
    54,338.08x = 2,285,426,409.02
  5. Step 5: Solve for x
    x = 2,285,426,409.02/54,338.08
  6. Step 6: Final answer
    x = 42,059.39

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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.