Home / 49,764.38-74,471.23-31,053.21

Finding the Fourth Proportional to 49,764.38, 74,471.23 and 31,053.21

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Solution

The fourth proportional to 49,764.38, 74,471.23 and 31,053.21 is: 46,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,764.38 : 74,471.23 = 31,053.21 : x
  2. Step 2: Convert to fraction form
    49,764.38/74,471.23 = 31,053.21/x
  3. Step 3: Cross multiply
    49,764.38x = 74,471.23 × 31,053.21
  4. Step 4: Simplify right side
    49,764.38x = 2,312,570,503.70
  5. Step 5: Solve for x
    x = 2,312,570,503.70/49,764.38
  6. Step 6: Final answer
    x = 46,470.40

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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.