Home / 54,458.10-81,577.80-31,057.20

Finding the Fourth Proportional to 54,458.10, 81,577.80 and 31,057.20

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Solution

The fourth proportional to 54,458.10, 81,577.80 and 31,057.20 is: 46,523.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.10 : 81,577.80 = 31,057.20 : x
  2. Step 2: Convert to fraction form
    54,458.10/81,577.80 = 31,057.20/x
  3. Step 3: Cross multiply
    54,458.10x = 81,577.80 × 31,057.20
  4. Step 4: Simplify right side
    54,458.10x = 2,533,578,050.16
  5. Step 5: Solve for x
    x = 2,533,578,050.16/54,458.10
  6. Step 6: Final answer
    x = 46,523.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.