Home / 74,323.16-111,491.91-21,016.88

Finding the Fourth Proportional to 74,323.16, 111,491.91 and 21,016.88

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Solution

The fourth proportional to 74,323.16, 111,491.91 and 21,016.88 is: 31,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,323.16 : 111,491.91 = 21,016.88 : x
  2. Step 2: Convert to fraction form
    74,323.16/111,491.91 = 21,016.88/x
  3. Step 3: Cross multiply
    74,323.16x = 111,491.91 × 21,016.88
  4. Step 4: Simplify right side
    74,323.16x = 2,343,211,535.98
  5. Step 5: Solve for x
    x = 2,343,211,535.98/74,323.16
  6. Step 6: Final answer
    x = 31,527.34

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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.