Home / 86,704.18-130,064.93-23,525.30

Finding the Fourth Proportional to 86,704.18, 130,064.93 and 23,525.30

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Solution

The fourth proportional to 86,704.18, 130,064.93 and 23,525.30 is: 35,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.18 : 130,064.93 = 23,525.30 : x
  2. Step 2: Convert to fraction form
    86,704.18/130,064.93 = 23,525.30/x
  3. Step 3: Cross multiply
    86,704.18x = 130,064.93 × 23,525.30
  4. Step 4: Simplify right side
    86,704.18x = 3,059,816,380.10
  5. Step 5: Solve for x
    x = 3,059,816,380.10/86,704.18
  6. Step 6: Final answer
    x = 35,290.30

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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.