Home / 98,998.44-148,495.16-28,878.36

Finding the Fourth Proportional to 98,998.44, 148,495.16 and 28,878.36

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Solution

The fourth proportional to 98,998.44, 148,495.16 and 28,878.36 is: 43,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,998.44 : 148,495.16 = 28,878.36 : x
  2. Step 2: Convert to fraction form
    98,998.44/148,495.16 = 28,878.36/x
  3. Step 3: Cross multiply
    98,998.44x = 148,495.16 × 28,878.36
  4. Step 4: Simplify right side
    98,998.44x = 4,288,296,688.74
  5. Step 5: Solve for x
    x = 4,288,296,688.74/98,998.44
  6. Step 6: Final answer
    x = 43,316.81

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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.