Home / 83,083.70-124,625.55-56,511.65

Finding the Fourth Proportional to 83,083.70, 124,625.55 and 56,511.65

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Solution

The fourth proportional to 83,083.70, 124,625.55 and 56,511.65 is: 84,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,083.70 : 124,625.55 = 56,511.65 : x
  2. Step 2: Convert to fraction form
    83,083.70/124,625.55 = 56,511.65/x
  3. Step 3: Cross multiply
    83,083.70x = 124,625.55 × 56,511.65
  4. Step 4: Simplify right side
    83,083.70x = 7,042,795,462.66
  5. Step 5: Solve for x
    x = 7,042,795,462.66/83,083.70
  6. Step 6: Final answer
    x = 84,767.48

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1.5x scale

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.