Home / 74,386.62-111,580.86-21,797.18

Finding the Fourth Proportional to 74,386.62, 111,580.86 and 21,797.18

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Solution

The fourth proportional to 74,386.62, 111,580.86 and 21,797.18 is: 32,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,386.62 : 111,580.86 = 21,797.18 : x
  2. Step 2: Convert to fraction form
    74,386.62/111,580.86 = 21,797.18/x
  3. Step 3: Cross multiply
    74,386.62x = 111,580.86 × 21,797.18
  4. Step 4: Simplify right side
    74,386.62x = 2,432,148,089.97
  5. Step 5: Solve for x
    x = 2,432,148,089.97/74,386.62
  6. Step 6: Final answer
    x = 32,696.04

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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.