Home / 51,131.10-76,594.53-40,618.86

Finding the Fourth Proportional to 51,131.10, 76,594.53 and 40,618.86

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Solution

The fourth proportional to 51,131.10, 76,594.53 and 40,618.86 is: 60,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,131.10 : 76,594.53 = 40,618.86 : x
  2. Step 2: Convert to fraction form
    51,131.10/76,594.53 = 40,618.86/x
  3. Step 3: Cross multiply
    51,131.10x = 76,594.53 × 40,618.86
  4. Step 4: Simplify right side
    51,131.10x = 3,111,182,490.84
  5. Step 5: Solve for x
    x = 3,111,182,490.84/51,131.10
  6. Step 6: Final answer
    x = 60,847.17

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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.