Home / 80,666.18-111,321.90-44,857.70

Finding the Fourth Proportional to 80,666.18, 111,321.90 and 44,857.70

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Solution

The fourth proportional to 80,666.18, 111,321.90 and 44,857.70 is: 61,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,666.18 : 111,321.90 = 44,857.70 : x
  2. Step 2: Convert to fraction form
    80,666.18/111,321.90 = 44,857.70/x
  3. Step 3: Cross multiply
    80,666.18x = 111,321.90 × 44,857.70
  4. Step 4: Simplify right side
    80,666.18x = 4,993,644,393.63
  5. Step 5: Solve for x
    x = 4,993,644,393.63/80,666.18
  6. Step 6: Final answer
    x = 61,905.06

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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.