Home / 53,608.10-80,412.15-50,108.90

Finding the Fourth Proportional to 53,608.10, 80,412.15 and 50,108.90

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Solution

The fourth proportional to 53,608.10, 80,412.15 and 50,108.90 is: 75,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.10 : 80,412.15 = 50,108.90 : x
  2. Step 2: Convert to fraction form
    53,608.10/80,412.15 = 50,108.90/x
  3. Step 3: Cross multiply
    53,608.10x = 80,412.15 × 50,108.90
  4. Step 4: Simplify right side
    53,608.10x = 4,029,364,383.14
  5. Step 5: Solve for x
    x = 4,029,364,383.14/53,608.10
  6. Step 6: Final answer
    x = 75,163.35

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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.