Home / 98,858.41-136,425.28-53,536.43

Finding the Fourth Proportional to 98,858.41, 136,425.28 and 53,536.43

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Solution

The fourth proportional to 98,858.41, 136,425.28 and 53,536.43 is: 73,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,858.41 : 136,425.28 = 53,536.43 : x
  2. Step 2: Convert to fraction form
    98,858.41/136,425.28 = 53,536.43/x
  3. Step 3: Cross multiply
    98,858.41x = 136,425.28 × 53,536.43
  4. Step 4: Simplify right side
    98,858.41x = 7,303,722,452.95
  5. Step 5: Solve for x
    x = 7,303,722,452.95/98,858.41
  6. Step 6: Final answer
    x = 73,880.64

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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.