Home / 85,191.12-127,846.44-35,272.08

Finding the Fourth Proportional to 85,191.12, 127,846.44 and 35,272.08

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Solution

The fourth proportional to 85,191.12, 127,846.44 and 35,272.08 is: 52,932.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,191.12 : 127,846.44 = 35,272.08 : x
  2. Step 2: Convert to fraction form
    85,191.12/127,846.44 = 35,272.08/x
  3. Step 3: Cross multiply
    85,191.12x = 127,846.44 × 35,272.08
  4. Step 4: Simplify right side
    85,191.12x = 4,509,409,859.40
  5. Step 5: Solve for x
    x = 4,509,409,859.40/85,191.12
  6. Step 6: Final answer
    x = 52,932.86

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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.