Home / 211,820.51-317,689.73-60,016.28

Finding the Fourth Proportional to 211,820.51, 317,689.73 and 60,016.28

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Solution

The fourth proportional to 211,820.51, 317,689.73 and 60,016.28 is: 90,012.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,820.51 : 317,689.73 = 60,016.28 : x
  2. Step 2: Convert to fraction form
    211,820.51/317,689.73 = 60,016.28/x
  3. Step 3: Cross multiply
    211,820.51x = 317,689.73 × 60,016.28
  4. Step 4: Simplify right side
    211,820.51x = 19,066,555,788.80
  5. Step 5: Solve for x
    x = 19,066,555,788.80/211,820.51
  6. Step 6: Final answer
    x = 90,012.79

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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.