Home / 51,132.10-76,596.03-40,619.86

Finding the Fourth Proportional to 51,132.10, 76,596.03 and 40,619.86

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Solution

The fourth proportional to 51,132.10, 76,596.03 and 40,619.86 is: 60,848.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,132.10 : 76,596.03 = 40,619.86 : x
  2. Step 2: Convert to fraction form
    51,132.10/76,596.03 = 40,619.86/x
  3. Step 3: Cross multiply
    51,132.10x = 76,596.03 × 40,619.86
  4. Step 4: Simplify right side
    51,132.10x = 3,111,320,015.16
  5. Step 5: Solve for x
    x = 3,111,320,015.16/51,132.10
  6. Step 6: Final answer
    x = 60,848.66

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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.