Home / 85,170.40-127,775.61-26,006.11

Finding the Fourth Proportional to 85,170.40, 127,775.61 and 26,006.11

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Solution

The fourth proportional to 85,170.40, 127,775.61 and 26,006.11 is: 39,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.40 : 127,775.61 = 26,006.11 : x
  2. Step 2: Convert to fraction form
    85,170.40/127,775.61 = 26,006.11/x
  3. Step 3: Cross multiply
    85,170.40x = 127,775.61 × 26,006.11
  4. Step 4: Simplify right side
    85,170.40x = 3,322,946,568.98
  5. Step 5: Solve for x
    x = 3,322,946,568.98/85,170.40
  6. Step 6: Final answer
    x = 39,015.27

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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.