Home / 85,804.02-128,704.17-23,474.52

Finding the Fourth Proportional to 85,804.02, 128,704.17 and 23,474.52

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Solution

The fourth proportional to 85,804.02, 128,704.17 and 23,474.52 is: 35,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,804.02 : 128,704.17 = 23,474.52 : x
  2. Step 2: Convert to fraction form
    85,804.02/128,704.17 = 23,474.52/x
  3. Step 3: Cross multiply
    85,804.02x = 128,704.17 × 23,474.52
  4. Step 4: Simplify right side
    85,804.02x = 3,021,268,612.75
  5. Step 5: Solve for x
    x = 3,021,268,612.75/85,804.02
  6. Step 6: Final answer
    x = 35,211.27

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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.