Home / 85,136.08-127,704.04-22,804.88

Finding the Fourth Proportional to 85,136.08, 127,704.04 and 22,804.88

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Solution

The fourth proportional to 85,136.08, 127,704.04 and 22,804.88 is: 34,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136.08 : 127,704.04 = 22,804.88 : x
  2. Step 2: Convert to fraction form
    85,136.08/127,704.04 = 22,804.88/x
  3. Step 3: Cross multiply
    85,136.08x = 127,704.04 × 22,804.88
  4. Step 4: Simplify right side
    85,136.08x = 2,912,275,307.72
  5. Step 5: Solve for x
    x = 2,912,275,307.72/85,136.08
  6. Step 6: Final answer
    x = 34,207.30

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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.