Home / 80,038.51-120,031.97-44,516.77

Finding the Fourth Proportional to 80,038.51, 120,031.97 and 44,516.77

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Solution

The fourth proportional to 80,038.51, 120,031.97 and 44,516.77 is: 66,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.51 : 120,031.97 = 44,516.77 : x
  2. Step 2: Convert to fraction form
    80,038.51/120,031.97 = 44,516.77/x
  3. Step 3: Cross multiply
    80,038.51x = 120,031.97 × 44,516.77
  4. Step 4: Simplify right side
    80,038.51x = 5,343,435,078.47
  5. Step 5: Solve for x
    x = 5,343,435,078.47/80,038.51
  6. Step 6: Final answer
    x = 66,760.80

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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.