Home / 49,364.12-74,047.80-17,764.40

Finding the Fourth Proportional to 49,364.12, 74,047.80 and 17,764.40

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Solution

The fourth proportional to 49,364.12, 74,047.80 and 17,764.40 is: 26,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,364.12 : 74,047.80 = 17,764.40 : x
  2. Step 2: Convert to fraction form
    49,364.12/74,047.80 = 17,764.40/x
  3. Step 3: Cross multiply
    49,364.12x = 74,047.80 × 17,764.40
  4. Step 4: Simplify right side
    49,364.12x = 1,315,414,738.32
  5. Step 5: Solve for x
    x = 1,315,414,738.32/49,364.12
  6. Step 6: Final answer
    x = 26,647.18

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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.