Home / 101,636.41-140,268.63-58,617.58

Finding the Fourth Proportional to 101,636.41, 140,268.63 and 58,617.58

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Solution

The fourth proportional to 101,636.41, 140,268.63 and 58,617.58 is: 80,898.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,636.41 : 140,268.63 = 58,617.58 : x
  2. Step 2: Convert to fraction form
    101,636.41/140,268.63 = 58,617.58/x
  3. Step 3: Cross multiply
    101,636.41x = 140,268.63 × 58,617.58
  4. Step 4: Simplify right side
    101,636.41x = 8,222,207,640.52
  5. Step 5: Solve for x
    x = 8,222,207,640.52/101,636.41
  6. Step 6: Final answer
    x = 80,898.25

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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.