Home / 49,470.20-74,204.25-12,030.46

Finding the Fourth Proportional to 49,470.20, 74,204.25 and 12,030.46

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Solution

The fourth proportional to 49,470.20, 74,204.25 and 12,030.46 is: 18,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.20 : 74,204.25 = 12,030.46 : x
  2. Step 2: Convert to fraction form
    49,470.20/74,204.25 = 12,030.46/x
  3. Step 3: Cross multiply
    49,470.20x = 74,204.25 × 12,030.46
  4. Step 4: Simplify right side
    49,470.20x = 892,711,261.46
  5. Step 5: Solve for x
    x = 892,711,261.46/49,470.20
  6. Step 6: Final answer
    x = 18,045.43

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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.