Home / 85,328.37-127,994.40-26,162.73

Finding the Fourth Proportional to 85,328.37, 127,994.40 and 26,162.73

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Solution

The fourth proportional to 85,328.37, 127,994.40 and 26,162.73 is: 39,244.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.37 : 127,994.40 = 26,162.73 : x
  2. Step 2: Convert to fraction form
    85,328.37/127,994.40 = 26,162.73/x
  3. Step 3: Cross multiply
    85,328.37x = 127,994.40 × 26,162.73
  4. Step 4: Simplify right side
    85,328.37x = 3,348,682,928.71
  5. Step 5: Solve for x
    x = 3,348,682,928.71/85,328.37
  6. Step 6: Final answer
    x = 39,244.66

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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.