Home / 51,184.99-76,675.11-40,039.18

Finding the Fourth Proportional to 51,184.99, 76,675.11 and 40,039.18

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Solution

The fourth proportional to 51,184.99, 76,675.11 and 40,039.18 is: 59,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,184.99 : 76,675.11 = 40,039.18 : x
  2. Step 2: Convert to fraction form
    51,184.99/76,675.11 = 40,039.18/x
  3. Step 3: Cross multiply
    51,184.99x = 76,675.11 × 40,039.18
  4. Step 4: Simplify right side
    51,184.99x = 3,070,008,530.81
  5. Step 5: Solve for x
    x = 3,070,008,530.81/51,184.99
  6. Step 6: Final answer
    x = 59,978.69

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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.