Home / 54,853.87-75,698.40-29,703.31

Finding the Fourth Proportional to 54,853.87, 75,698.40 and 29,703.31

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Solution

The fourth proportional to 54,853.87, 75,698.40 and 29,703.31 is: 40,990.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,853.87 : 75,698.40 = 29,703.31 : x
  2. Step 2: Convert to fraction form
    54,853.87/75,698.40 = 29,703.31/x
  3. Step 3: Cross multiply
    54,853.87x = 75,698.40 × 29,703.31
  4. Step 4: Simplify right side
    54,853.87x = 2,248,493,041.70
  5. Step 5: Solve for x
    x = 2,248,493,041.70/54,853.87
  6. Step 6: Final answer
    x = 40,990.60

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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.