Home / 106,631.12-160,043.40-56,753.21

Finding the Fourth Proportional to 106,631.12, 160,043.40 and 56,753.21

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Solution

The fourth proportional to 106,631.12, 160,043.40 and 56,753.21 is: 85,181.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,631.12 : 160,043.40 = 56,753.21 : x
  2. Step 2: Convert to fraction form
    106,631.12/160,043.40 = 56,753.21/x
  3. Step 3: Cross multiply
    106,631.12x = 160,043.40 × 56,753.21
  4. Step 4: Simplify right side
    106,631.12x = 9,082,975,889.10
  5. Step 5: Solve for x
    x = 9,082,975,889.10/106,631.12
  6. Step 6: Final answer
    x = 85,181.29

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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.