Home / 50,279.63-75,429.17-19,112.45

Finding the Fourth Proportional to 50,279.63, 75,429.17 and 19,112.45

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Solution

The fourth proportional to 50,279.63, 75,429.17 and 19,112.45 is: 28,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.63 : 75,429.17 = 19,112.45 : x
  2. Step 2: Convert to fraction form
    50,279.63/75,429.17 = 19,112.45/x
  3. Step 3: Cross multiply
    50,279.63x = 75,429.17 × 19,112.45
  4. Step 4: Simplify right side
    50,279.63x = 1,441,635,767.46
  5. Step 5: Solve for x
    x = 1,441,635,767.46/50,279.63
  6. Step 6: Final answer
    x = 28,672.37

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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.