Home / 74,045.90-102,077.06-52,788.26

Finding the Fourth Proportional to 74,045.90, 102,077.06 and 52,788.26

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Solution

The fourth proportional to 74,045.90, 102,077.06 and 52,788.26 is: 72,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,045.90 : 102,077.06 = 52,788.26 : x
  2. Step 2: Convert to fraction form
    74,045.90/102,077.06 = 52,788.26/x
  3. Step 3: Cross multiply
    74,045.90x = 102,077.06 × 52,788.26
  4. Step 4: Simplify right side
    74,045.90x = 5,388,469,608.99
  5. Step 5: Solve for x
    x = 5,388,469,608.99/74,045.90
  6. Step 6: Final answer
    x = 72,772.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.