Home / 55,519-76,653.22-32,865.24

Finding the Fourth Proportional to 55,519, 76,653.22 and 32,865.24

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Solution

The fourth proportional to 55,519, 76,653.22 and 32,865.24 is: 45,375.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,519 : 76,653.22 = 32,865.24 : x
  2. Step 2: Convert to fraction form
    55,519/76,653.22 = 32,865.24/x
  3. Step 3: Cross multiply
    55,519x = 76,653.22 × 32,865.24
  4. Step 4: Simplify right side
    55,519x = 2,519,226,472.07
  5. Step 5: Solve for x
    x = 2,519,226,472.07/55,519
  6. Step 6: Final answer
    x = 45,375.93

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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.