Home / 98,735.37-136,252.31-58,449.75

Finding the Fourth Proportional to 98,735.37, 136,252.31 and 58,449.75

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Solution

The fourth proportional to 98,735.37, 136,252.31 and 58,449.75 is: 80,659.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.37 : 136,252.31 = 58,449.75 : x
  2. Step 2: Convert to fraction form
    98,735.37/136,252.31 = 58,449.75/x
  3. Step 3: Cross multiply
    98,735.37x = 136,252.31 × 58,449.75
  4. Step 4: Simplify right side
    98,735.37x = 7,963,913,164.17
  5. Step 5: Solve for x
    x = 7,963,913,164.17/98,735.37
  6. Step 6: Final answer
    x = 80,659.17

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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.