Home / 101,845.34-140,563.46-59,403.88

Finding the Fourth Proportional to 101,845.34, 140,563.46 and 59,403.88

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Solution

The fourth proportional to 101,845.34, 140,563.46 and 59,403.88 is: 81,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.34 : 140,563.46 = 59,403.88 : x
  2. Step 2: Convert to fraction form
    101,845.34/140,563.46 = 59,403.88/x
  3. Step 3: Cross multiply
    101,845.34x = 140,563.46 × 59,403.88
  4. Step 4: Simplify right side
    101,845.34x = 8,350,014,707.33
  5. Step 5: Solve for x
    x = 8,350,014,707.33/101,845.34
  6. Step 6: Final answer
    x = 81,987.21

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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.