Home / 54,031.35-74,570.31-30,162.99

Finding the Fourth Proportional to 54,031.35, 74,570.31 and 30,162.99

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Solution

The fourth proportional to 54,031.35, 74,570.31 and 30,162.99 is: 41,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,031.35 : 74,570.31 = 30,162.99 : x
  2. Step 2: Convert to fraction form
    54,031.35/74,570.31 = 30,162.99/x
  3. Step 3: Cross multiply
    54,031.35x = 74,570.31 × 30,162.99
  4. Step 4: Simplify right side
    54,031.35x = 2,249,263,514.83
  5. Step 5: Solve for x
    x = 2,249,263,514.83/54,031.35
  6. Step 6: Final answer
    x = 41,628.86

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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.