Home / 53,906.90-80,874.93-30,549.74

Finding the Fourth Proportional to 53,906.90, 80,874.93 and 30,549.74

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Solution

The fourth proportional to 53,906.90, 80,874.93 and 30,549.74 is: 45,832.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,906.90 : 80,874.93 = 30,549.74 : x
  2. Step 2: Convert to fraction form
    53,906.90/80,874.93 = 30,549.74/x
  3. Step 3: Cross multiply
    53,906.90x = 80,874.93 × 30,549.74
  4. Step 4: Simplify right side
    53,906.90x = 2,470,708,084.02
  5. Step 5: Solve for x
    x = 2,470,708,084.02/53,906.90
  6. Step 6: Final answer
    x = 45,832.87

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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.