Home / 56,442.10-77,942.80-36,333.88

Finding the Fourth Proportional to 56,442.10, 77,942.80 and 36,333.88

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Solution

The fourth proportional to 56,442.10, 77,942.80 and 36,333.88 is: 50,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,442.10 : 77,942.80 = 36,333.88 : x
  2. Step 2: Convert to fraction form
    56,442.10/77,942.80 = 36,333.88/x
  3. Step 3: Cross multiply
    56,442.10x = 77,942.80 × 36,333.88
  4. Step 4: Simplify right side
    56,442.10x = 2,831,964,342.06
  5. Step 5: Solve for x
    x = 2,831,964,342.06/56,442.10
  6. Step 6: Final answer
    x = 50,174.68

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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.