Home / 74,085.76-111,153.59-23,493.09

Finding the Fourth Proportional to 74,085.76, 111,153.59 and 23,493.09

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Solution

The fourth proportional to 74,085.76, 111,153.59 and 23,493.09 is: 35,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,085.76 : 111,153.59 = 23,493.09 : x
  2. Step 2: Convert to fraction form
    74,085.76/111,153.59 = 23,493.09/x
  3. Step 3: Cross multiply
    74,085.76x = 111,153.59 × 23,493.09
  4. Step 4: Simplify right side
    74,085.76x = 2,611,341,121.99
  5. Step 5: Solve for x
    x = 2,611,341,121.99/74,085.76
  6. Step 6: Final answer
    x = 35,247.54

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1.5x scale

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.