Home / 98,703.64-136,087.44-82,374.27

Finding the Fourth Proportional to 98,703.64, 136,087.44 and 82,374.27

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Solution

The fourth proportional to 98,703.64, 136,087.44 and 82,374.27 is: 113,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,703.64 : 136,087.44 = 82,374.27 : x
  2. Step 2: Convert to fraction form
    98,703.64/136,087.44 = 82,374.27/x
  3. Step 3: Cross multiply
    98,703.64x = 136,087.44 × 82,374.27
  4. Step 4: Simplify right side
    98,703.64x = 11,210,103,170.29
  5. Step 5: Solve for x
    x = 11,210,103,170.29/98,703.64
  6. Step 6: Final answer
    x = 113,573.35

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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.