Home / 50,165.51-75,247.49-12,215.13

Finding the Fourth Proportional to 50,165.51, 75,247.49 and 12,215.13

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Solution

The fourth proportional to 50,165.51, 75,247.49 and 12,215.13 is: 18,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,165.51 : 75,247.49 = 12,215.13 : x
  2. Step 2: Convert to fraction form
    50,165.51/75,247.49 = 12,215.13/x
  3. Step 3: Cross multiply
    50,165.51x = 75,247.49 × 12,215.13
  4. Step 4: Simplify right side
    50,165.51x = 919,157,811.45
  5. Step 5: Solve for x
    x = 919,157,811.45/50,165.51
  6. Step 6: Final answer
    x = 18,322.51

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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.