Home / 51,111.90-76,680.19-16,051.55

Finding the Fourth Proportional to 51,111.90, 76,680.19 and 16,051.55

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Solution

The fourth proportional to 51,111.90, 76,680.19 and 16,051.55 is: 24,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.90 : 76,680.19 = 16,051.55 : x
  2. Step 2: Convert to fraction form
    51,111.90/76,680.19 = 16,051.55/x
  3. Step 3: Cross multiply
    51,111.90x = 76,680.19 × 16,051.55
  4. Step 4: Simplify right side
    51,111.90x = 1,230,835,903.79
  5. Step 5: Solve for x
    x = 1,230,835,903.79/51,111.90
  6. Step 6: Final answer
    x = 24,081.20

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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.