Home / 211,829.74-317,744.35-54,058.20

Finding the Fourth Proportional to 211,829.74, 317,744.35 and 54,058.20

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Solution

The fourth proportional to 211,829.74, 317,744.35 and 54,058.20 is: 81,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,829.74 : 317,744.35 = 54,058.20 : x
  2. Step 2: Convert to fraction form
    211,829.74/317,744.35 = 54,058.20/x
  3. Step 3: Cross multiply
    211,829.74x = 317,744.35 × 54,058.20
  4. Step 4: Simplify right side
    211,829.74x = 17,176,687,621.17
  5. Step 5: Solve for x
    x = 17,176,687,621.17/211,829.74
  6. Step 6: Final answer
    x = 81,087.23

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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.