Home / 98,815.46-136,365.19-53,493.44

Finding the Fourth Proportional to 98,815.46, 136,365.19 and 53,493.44

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Solution

The fourth proportional to 98,815.46, 136,365.19 and 53,493.44 is: 73,820.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,815.46 : 136,365.19 = 53,493.44 : x
  2. Step 2: Convert to fraction form
    98,815.46/136,365.19 = 53,493.44/x
  3. Step 3: Cross multiply
    98,815.46x = 136,365.19 × 53,493.44
  4. Step 4: Simplify right side
    98,815.46x = 7,294,642,293.79
  5. Step 5: Solve for x
    x = 7,294,642,293.79/98,815.46
  6. Step 6: Final answer
    x = 73,820.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.