Home / 86,704.08-130,061.16-24,379.44

Finding the Fourth Proportional to 86,704.08, 130,061.16 and 24,379.44

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Solution

The fourth proportional to 86,704.08, 130,061.16 and 24,379.44 is: 36,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,704.08 : 130,061.16 = 24,379.44 : x
  2. Step 2: Convert to fraction form
    86,704.08/130,061.16 = 24,379.44/x
  3. Step 3: Cross multiply
    86,704.08x = 130,061.16 × 24,379.44
  4. Step 4: Simplify right side
    86,704.08x = 3,170,818,246.55
  5. Step 5: Solve for x
    x = 3,170,818,246.55/86,704.08
  6. Step 6: Final answer
    x = 36,570.58

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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.