Home / 79,789.46-119,701.19-39,829.93

Finding the Fourth Proportional to 79,789.46, 119,701.19 and 39,829.93

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Solution

The fourth proportional to 79,789.46, 119,701.19 and 39,829.93 is: 59,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,789.46 : 119,701.19 = 39,829.93 : x
  2. Step 2: Convert to fraction form
    79,789.46/119,701.19 = 39,829.93/x
  3. Step 3: Cross multiply
    79,789.46x = 119,701.19 × 39,829.93
  4. Step 4: Simplify right side
    79,789.46x = 4,767,689,818.94
  5. Step 5: Solve for x
    x = 4,767,689,818.94/79,789.46
  6. Step 6: Final answer
    x = 59,753.38

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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.