Home / 74,536.33-111,805.28-21,946.81

Finding the Fourth Proportional to 74,536.33, 111,805.28 and 21,946.81

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Solution

The fourth proportional to 74,536.33, 111,805.28 and 21,946.81 is: 32,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,536.33 : 111,805.28 = 21,946.81 : x
  2. Step 2: Convert to fraction form
    74,536.33/111,805.28 = 21,946.81/x
  3. Step 3: Cross multiply
    74,536.33x = 111,805.28 × 21,946.81
  4. Step 4: Simplify right side
    74,536.33x = 2,453,769,237.16
  5. Step 5: Solve for x
    x = 2,453,769,237.16/74,536.33
  6. Step 6: Final answer
    x = 32,920.45

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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.