Home / 50,905.75-70,250.15-28,244.70

Finding the Fourth Proportional to 50,905.75, 70,250.15 and 28,244.70

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Solution

The fourth proportional to 50,905.75, 70,250.15 and 28,244.70 is: 38,977.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,905.75 : 70,250.15 = 28,244.70 : x
  2. Step 2: Convert to fraction form
    50,905.75/70,250.15 = 28,244.70/x
  3. Step 3: Cross multiply
    50,905.75x = 70,250.15 × 28,244.70
  4. Step 4: Simplify right side
    50,905.75x = 1,984,194,411.71
  5. Step 5: Solve for x
    x = 1,984,194,411.71/50,905.75
  6. Step 6: Final answer
    x = 38,977.81

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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.