Home / 49,470.35-74,205.49-12,030.17

Finding the Fourth Proportional to 49,470.35, 74,205.49 and 12,030.17

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Solution

The fourth proportional to 49,470.35, 74,205.49 and 12,030.17 is: 18,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.35 : 74,205.49 = 12,030.17 : x
  2. Step 2: Convert to fraction form
    49,470.35/74,205.49 = 12,030.17/x
  3. Step 3: Cross multiply
    49,470.35x = 74,205.49 × 12,030.17
  4. Step 4: Simplify right side
    49,470.35x = 892,704,659.63
  5. Step 5: Solve for x
    x = 892,704,659.63/49,470.35
  6. Step 6: Final answer
    x = 18,045.25

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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.