Home / 82,790.35-124,148.16-23,611.95

Finding the Fourth Proportional to 82,790.35, 124,148.16 and 23,611.95

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Solution

The fourth proportional to 82,790.35, 124,148.16 and 23,611.95 is: 35,407.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,790.35 : 124,148.16 = 23,611.95 : x
  2. Step 2: Convert to fraction form
    82,790.35/124,148.16 = 23,611.95/x
  3. Step 3: Cross multiply
    82,790.35x = 124,148.16 × 23,611.95
  4. Step 4: Simplify right side
    82,790.35x = 2,931,380,515.91
  5. Step 5: Solve for x
    x = 2,931,380,515.91/82,790.35
  6. Step 6: Final answer
    x = 35,407.27

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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.