Home / 79,210.32-118,815.48-26,619.96

Finding the Fourth Proportional to 79,210.32, 118,815.48 and 26,619.96

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Solution

The fourth proportional to 79,210.32, 118,815.48 and 26,619.96 is: 39,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,210.32 : 118,815.48 = 26,619.96 : x
  2. Step 2: Convert to fraction form
    79,210.32/118,815.48 = 26,619.96/x
  3. Step 3: Cross multiply
    79,210.32x = 118,815.48 × 26,619.96
  4. Step 4: Simplify right side
    79,210.32x = 3,162,863,324.98
  5. Step 5: Solve for x
    x = 3,162,863,324.98/79,210.32
  6. Step 6: Final answer
    x = 39,929.94

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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.