Home / 98,986.58-136,601.52-53,664.56

Finding the Fourth Proportional to 98,986.58, 136,601.52 and 53,664.56

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Solution

The fourth proportional to 98,986.58, 136,601.52 and 53,664.56 is: 74,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,986.58 : 136,601.52 = 53,664.56 : x
  2. Step 2: Convert to fraction form
    98,986.58/136,601.52 = 53,664.56/x
  3. Step 3: Cross multiply
    98,986.58x = 136,601.52 × 53,664.56
  4. Step 4: Simplify right side
    98,986.58x = 7,330,660,466.13
  5. Step 5: Solve for x
    x = 7,330,660,466.13/98,986.58
  6. Step 6: Final answer
    x = 74,057.11

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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.