Home / 85,933.51-128,900.27-26,773.96

Finding the Fourth Proportional to 85,933.51, 128,900.27 and 26,773.96

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Solution

The fourth proportional to 85,933.51, 128,900.27 and 26,773.96 is: 40,160.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,933.51 : 128,900.27 = 26,773.96 : x
  2. Step 2: Convert to fraction form
    85,933.51/128,900.27 = 26,773.96/x
  3. Step 3: Cross multiply
    85,933.51x = 128,900.27 × 26,773.96
  4. Step 4: Simplify right side
    85,933.51x = 3,451,170,539.10
  5. Step 5: Solve for x
    x = 3,451,170,539.10/85,933.51
  6. Step 6: Final answer
    x = 40,160.94

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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.