Home / 75,477.87-113,230.47-31,080.41

Finding the Fourth Proportional to 75,477.87, 113,230.47 and 31,080.41

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Solution

The fourth proportional to 75,477.87, 113,230.47 and 31,080.41 is: 46,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,477.87 : 113,230.47 = 31,080.41 : x
  2. Step 2: Convert to fraction form
    75,477.87/113,230.47 = 31,080.41/x
  3. Step 3: Cross multiply
    75,477.87x = 113,230.47 × 31,080.41
  4. Step 4: Simplify right side
    75,477.87x = 3,519,248,865.94
  5. Step 5: Solve for x
    x = 3,519,248,865.94/75,477.87
  6. Step 6: Final answer
    x = 46,626.23

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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.