Home / 51,186.30-76,779.45-48,889.95

Finding the Fourth Proportional to 51,186.30, 76,779.45 and 48,889.95

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Solution

The fourth proportional to 51,186.30, 76,779.45 and 48,889.95 is: 73,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,186.30 : 76,779.45 = 48,889.95 : x
  2. Step 2: Convert to fraction form
    51,186.30/76,779.45 = 48,889.95/x
  3. Step 3: Cross multiply
    51,186.30x = 76,779.45 × 48,889.95
  4. Step 4: Simplify right side
    51,186.30x = 3,753,743,471.53
  5. Step 5: Solve for x
    x = 3,753,743,471.53/51,186.30
  6. Step 6: Final answer
    x = 73,334.93

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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.