Home / 54,984.32-82,477.92-31,599.68

Finding the Fourth Proportional to 54,984.32, 82,477.92 and 31,599.68

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Solution

The fourth proportional to 54,984.32, 82,477.92 and 31,599.68 is: 47,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,984.32 : 82,477.92 = 31,599.68 : x
  2. Step 2: Convert to fraction form
    54,984.32/82,477.92 = 31,599.68/x
  3. Step 3: Cross multiply
    54,984.32x = 82,477.92 × 31,599.68
  4. Step 4: Simplify right side
    54,984.32x = 2,606,275,879.07
  5. Step 5: Solve for x
    x = 2,606,275,879.07/54,984.32
  6. Step 6: Final answer
    x = 47,400.35

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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.