Home / 101,845.62-140,563.85-59,404.15

Finding the Fourth Proportional to 101,845.62, 140,563.85 and 59,404.15

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Solution

The fourth proportional to 101,845.62, 140,563.85 and 59,404.15 is: 81,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,845.62 : 140,563.85 = 59,404.15 : x
  2. Step 2: Convert to fraction form
    101,845.62/140,563.85 = 59,404.15/x
  3. Step 3: Cross multiply
    101,845.62x = 140,563.85 × 59,404.15
  4. Step 4: Simplify right side
    101,845.62x = 8,350,076,029.98
  5. Step 5: Solve for x
    x = 8,350,076,029.98/101,845.62
  6. Step 6: Final answer
    x = 81,987.58

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1.5x scale

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.