Home / 74,223.84-111,374.04-34,784.96

Finding the Fourth Proportional to 74,223.84, 111,374.04 and 34,784.96

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Solution

The fourth proportional to 74,223.84, 111,374.04 and 34,784.96 is: 52,195.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,223.84 : 111,374.04 = 34,784.96 : x
  2. Step 2: Convert to fraction form
    74,223.84/111,374.04 = 34,784.96/x
  3. Step 3: Cross multiply
    74,223.84x = 111,374.04 × 34,784.96
  4. Step 4: Simplify right side
    74,223.84x = 3,874,141,526.44
  5. Step 5: Solve for x
    x = 3,874,141,526.44/74,223.84
  6. Step 6: Final answer
    x = 52,195.38

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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.