Home / 98,826.53-136,380.70-53,504.55

Finding the Fourth Proportional to 98,826.53, 136,380.70 and 53,504.55

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Solution

The fourth proportional to 98,826.53, 136,380.70 and 53,504.55 is: 73,836.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,826.53 : 136,380.70 = 53,504.55 : x
  2. Step 2: Convert to fraction form
    98,826.53/136,380.70 = 53,504.55/x
  3. Step 3: Cross multiply
    98,826.53x = 136,380.70 × 53,504.55
  4. Step 4: Simplify right side
    98,826.53x = 7,296,987,300.28
  5. Step 5: Solve for x
    x = 7,296,987,300.28/98,826.53
  6. Step 6: Final answer
    x = 73,836.32

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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.