Home / 96,998.69-145,508.16-26,878.07

Finding the Fourth Proportional to 96,998.69, 145,508.16 and 26,878.07

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Solution

The fourth proportional to 96,998.69, 145,508.16 and 26,878.07 is: 40,319.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,998.69 : 145,508.16 = 26,878.07 : x
  2. Step 2: Convert to fraction form
    96,998.69/145,508.16 = 26,878.07/x
  3. Step 3: Cross multiply
    96,998.69x = 145,508.16 × 26,878.07
  4. Step 4: Simplify right side
    96,998.69x = 3,910,978,510.05
  5. Step 5: Solve for x
    x = 3,910,978,510.05/96,998.69
  6. Step 6: Final answer
    x = 40,319.91

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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.