Home / 51,459.12-77,203.26-26,517.42

Finding the Fourth Proportional to 51,459.12, 77,203.26 and 26,517.42

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Solution

The fourth proportional to 51,459.12, 77,203.26 and 26,517.42 is: 39,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.12 : 77,203.26 = 26,517.42 : x
  2. Step 2: Convert to fraction form
    51,459.12/77,203.26 = 26,517.42/x
  3. Step 3: Cross multiply
    51,459.12x = 77,203.26 × 26,517.42
  4. Step 4: Simplify right side
    51,459.12x = 2,047,231,270.79
  5. Step 5: Solve for x
    x = 2,047,231,270.79/51,459.12
  6. Step 6: Final answer
    x = 39,783.64

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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.