Home / 53,859.11-80,825.57-18,798.77

Finding the Fourth Proportional to 53,859.11, 80,825.57 and 18,798.77

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Solution

The fourth proportional to 53,859.11, 80,825.57 and 18,798.77 is: 28,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,859.11 : 80,825.57 = 18,798.77 : x
  2. Step 2: Convert to fraction form
    53,859.11/80,825.57 = 18,798.77/x
  3. Step 3: Cross multiply
    53,859.11x = 80,825.57 × 18,798.77
  4. Step 4: Simplify right side
    53,859.11x = 1,519,420,802.43
  5. Step 5: Solve for x
    x = 1,519,420,802.43/53,859.11
  6. Step 6: Final answer
    x = 28,211.03

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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.