Home / 82,202.04-123,342.06-56,940.39

Finding the Fourth Proportional to 82,202.04, 123,342.06 and 56,940.39

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Solution

The fourth proportional to 82,202.04, 123,342.06 and 56,940.39 is: 85,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,202.04 : 123,342.06 = 56,940.39 : x
  2. Step 2: Convert to fraction form
    82,202.04/123,342.06 = 56,940.39/x
  3. Step 3: Cross multiply
    82,202.04x = 123,342.06 × 56,940.39
  4. Step 4: Simplify right side
    82,202.04x = 7,023,144,999.80
  5. Step 5: Solve for x
    x = 7,023,144,999.80/82,202.04
  6. Step 6: Final answer
    x = 85,437.60

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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.