Home / 85,014.88-127,522.41-31,706.04

Finding the Fourth Proportional to 85,014.88, 127,522.41 and 31,706.04

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Solution

The fourth proportional to 85,014.88, 127,522.41 and 31,706.04 is: 47,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.88 : 127,522.41 = 31,706.04 : x
  2. Step 2: Convert to fraction form
    85,014.88/127,522.41 = 31,706.04/x
  3. Step 3: Cross multiply
    85,014.88x = 127,522.41 × 31,706.04
  4. Step 4: Simplify right side
    85,014.88x = 4,043,230,632.36
  5. Step 5: Solve for x
    x = 4,043,230,632.36/85,014.88
  6. Step 6: Final answer
    x = 47,559.09

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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.