Home / 74,166.51-111,247.94-21,576.45

Finding the Fourth Proportional to 74,166.51, 111,247.94 and 21,576.45

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Solution

The fourth proportional to 74,166.51, 111,247.94 and 21,576.45 is: 32,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,166.51 : 111,247.94 = 21,576.45 : x
  2. Step 2: Convert to fraction form
    74,166.51/111,247.94 = 21,576.45/x
  3. Step 3: Cross multiply
    74,166.51x = 111,247.94 × 21,576.45
  4. Step 4: Simplify right side
    74,166.51x = 2,400,335,668.95
  5. Step 5: Solve for x
    x = 2,400,335,668.95/74,166.51
  6. Step 6: Final answer
    x = 32,364.14

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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.