Home / 55,234.10-76,223.03-30,083.60

Finding the Fourth Proportional to 55,234.10, 76,223.03 and 30,083.60

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Solution

The fourth proportional to 55,234.10, 76,223.03 and 30,083.60 is: 41,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.10 : 76,223.03 = 30,083.60 : x
  2. Step 2: Convert to fraction form
    55,234.10/76,223.03 = 30,083.60/x
  3. Step 3: Cross multiply
    55,234.10x = 76,223.03 × 30,083.60
  4. Step 4: Simplify right side
    55,234.10x = 2,293,062,613.77
  5. Step 5: Solve for x
    x = 2,293,062,613.77/55,234.10
  6. Step 6: Final answer
    x = 41,515.35

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1.5x scale

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.