Home / 88,003.34-131,753.44-82,416.92

Finding the Fourth Proportional to 88,003.34, 131,753.44 and 82,416.92

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Solution

The fourth proportional to 88,003.34, 131,753.44 and 82,416.92 is: 123,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,003.34 : 131,753.44 = 82,416.92 : x
  2. Step 2: Convert to fraction form
    88,003.34/131,753.44 = 82,416.92/x
  3. Step 3: Cross multiply
    88,003.34x = 131,753.44 × 82,416.92
  4. Step 4: Simplify right side
    88,003.34x = 10,858,712,075.42
  5. Step 5: Solve for x
    x = 10,858,712,075.42/88,003.34
  6. Step 6: Final answer
    x = 123,389.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.