Home / 98,633.26-136,111.16-55,612.37

Finding the Fourth Proportional to 98,633.26, 136,111.16 and 55,612.37

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Solution

The fourth proportional to 98,633.26, 136,111.16 and 55,612.37 is: 76,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.26 : 136,111.16 = 55,612.37 : x
  2. Step 2: Convert to fraction form
    98,633.26/136,111.16 = 55,612.37/x
  3. Step 3: Cross multiply
    98,633.26x = 136,111.16 × 55,612.37
  4. Step 4: Simplify right side
    98,633.26x = 7,569,464,670.36
  5. Step 5: Solve for x
    x = 7,569,464,670.36/98,633.26
  6. Step 6: Final answer
    x = 76,743.53

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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.