Home / 53,236.08-79,861.32-42,163.32

Finding the Fourth Proportional to 53,236.08, 79,861.32 and 42,163.32

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Solution

The fourth proportional to 53,236.08, 79,861.32 and 42,163.32 is: 63,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,236.08 : 79,861.32 = 42,163.32 : x
  2. Step 2: Convert to fraction form
    53,236.08/79,861.32 = 42,163.32/x
  3. Step 3: Cross multiply
    53,236.08x = 79,861.32 × 42,163.32
  4. Step 4: Simplify right side
    53,236.08x = 3,367,218,390.78
  5. Step 5: Solve for x
    x = 3,367,218,390.78/53,236.08
  6. Step 6: Final answer
    x = 63,250.68

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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.