Home / 49,953.38-74,928.34-12,513.77

Finding the Fourth Proportional to 49,953.38, 74,928.34 and 12,513.77

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Solution

The fourth proportional to 49,953.38, 74,928.34 and 12,513.77 is: 18,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.38 : 74,928.34 = 12,513.77 : x
  2. Step 2: Convert to fraction form
    49,953.38/74,928.34 = 12,513.77/x
  3. Step 3: Cross multiply
    49,953.38x = 74,928.34 × 12,513.77
  4. Step 4: Simplify right side
    49,953.38x = 937,636,169.28
  5. Step 5: Solve for x
    x = 937,636,169.28/49,953.38
  6. Step 6: Final answer
    x = 18,770.23

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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.