Home / 56,809.16-85,213.82-30,680.06

Finding the Fourth Proportional to 56,809.16, 85,213.82 and 30,680.06

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Solution

The fourth proportional to 56,809.16, 85,213.82 and 30,680.06 is: 46,020.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,809.16 : 85,213.82 = 30,680.06 : x
  2. Step 2: Convert to fraction form
    56,809.16/85,213.82 = 30,680.06/x
  3. Step 3: Cross multiply
    56,809.16x = 85,213.82 × 30,680.06
  4. Step 4: Simplify right side
    56,809.16x = 2,614,365,110.43
  5. Step 5: Solve for x
    x = 2,614,365,110.43/56,809.16
  6. Step 6: Final answer
    x = 46,020.13

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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.