Home / 85,297.04-127,970.20-26,141.44

Finding the Fourth Proportional to 85,297.04, 127,970.20 and 26,141.44

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Solution

The fourth proportional to 85,297.04, 127,970.20 and 26,141.44 is: 39,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.04 : 127,970.20 = 26,141.44 : x
  2. Step 2: Convert to fraction form
    85,297.04/127,970.20 = 26,141.44/x
  3. Step 3: Cross multiply
    85,297.04x = 127,970.20 × 26,141.44
  4. Step 4: Simplify right side
    85,297.04x = 3,345,325,305.09
  5. Step 5: Solve for x
    x = 3,345,325,305.09/85,297.04
  6. Step 6: Final answer
    x = 39,219.71

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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.