Home / 84,380.25-126,570.51-34,460.35

Finding the Fourth Proportional to 84,380.25, 126,570.51 and 34,460.35

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Solution

The fourth proportional to 84,380.25, 126,570.51 and 34,460.35 is: 51,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,380.25 : 126,570.51 = 34,460.35 : x
  2. Step 2: Convert to fraction form
    84,380.25/126,570.51 = 34,460.35/x
  3. Step 3: Cross multiply
    84,380.25x = 126,570.51 × 34,460.35
  4. Step 4: Simplify right side
    84,380.25x = 4,361,664,074.28
  5. Step 5: Solve for x
    x = 4,361,664,074.28/84,380.25
  6. Step 6: Final answer
    x = 51,690.58

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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.