Home / 53,242.35-79,786.95-36,621.15

Finding the Fourth Proportional to 53,242.35, 79,786.95 and 36,621.15

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Solution

The fourth proportional to 53,242.35, 79,786.95 and 36,621.15 is: 54,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,242.35 : 79,786.95 = 36,621.15 : x
  2. Step 2: Convert to fraction form
    53,242.35/79,786.95 = 36,621.15/x
  3. Step 3: Cross multiply
    53,242.35x = 79,786.95 × 36,621.15
  4. Step 4: Simplify right side
    53,242.35x = 2,921,889,863.99
  5. Step 5: Solve for x
    x = 2,921,889,863.99/53,242.35
  6. Step 6: Final answer
    x = 54,879.06

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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.