Home / 98,826.26-136,381.34-53,505.23

Finding the Fourth Proportional to 98,826.26, 136,381.34 and 53,505.23

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Solution

The fourth proportional to 98,826.26, 136,381.34 and 53,505.23 is: 73,837.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,826.26 : 136,381.34 = 53,505.23 : x
  2. Step 2: Convert to fraction form
    98,826.26/136,381.34 = 53,505.23/x
  3. Step 3: Cross multiply
    98,826.26x = 136,381.34 × 53,505.23
  4. Step 4: Simplify right side
    98,826.26x = 7,297,115,439.12
  5. Step 5: Solve for x
    x = 7,297,115,439.12/98,826.26
  6. Step 6: Final answer
    x = 73,837.82

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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.