Home / 50,309.51-69,385.92-31,175.99

Finding the Fourth Proportional to 50,309.51, 69,385.92 and 31,175.99

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Solution

The fourth proportional to 50,309.51, 69,385.92 and 31,175.99 is: 42,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.51 : 69,385.92 = 31,175.99 : x
  2. Step 2: Convert to fraction form
    50,309.51/69,385.92 = 31,175.99/x
  3. Step 3: Cross multiply
    50,309.51x = 69,385.92 × 31,175.99
  4. Step 4: Simplify right side
    50,309.51x = 2,163,174,401.13
  5. Step 5: Solve for x
    x = 2,163,174,401.13/50,309.51
  6. Step 6: Final answer
    x = 42,997.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.