Home / 74,352.53-111,526.98-18,192.20

Finding the Fourth Proportional to 74,352.53, 111,526.98 and 18,192.20

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Solution

The fourth proportional to 74,352.53, 111,526.98 and 18,192.20 is: 27,287.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,352.53 : 111,526.98 = 18,192.20 : x
  2. Step 2: Convert to fraction form
    74,352.53/111,526.98 = 18,192.20/x
  3. Step 3: Cross multiply
    74,352.53x = 111,526.98 × 18,192.20
  4. Step 4: Simplify right side
    74,352.53x = 2,028,920,499.70
  5. Step 5: Solve for x
    x = 2,028,920,499.70/74,352.53
  6. Step 6: Final answer
    x = 27,287.85

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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.