Home / 51,998.10-77,999.31-43,294.38

Finding the Fourth Proportional to 51,998.10, 77,999.31 and 43,294.38

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Solution

The fourth proportional to 51,998.10, 77,999.31 and 43,294.38 is: 64,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.10 : 77,999.31 = 43,294.38 : x
  2. Step 2: Convert to fraction form
    51,998.10/77,999.31 = 43,294.38/x
  3. Step 3: Cross multiply
    51,998.10x = 77,999.31 × 43,294.38
  4. Step 4: Simplify right side
    51,998.10x = 3,376,931,766.88
  5. Step 5: Solve for x
    x = 3,376,931,766.88/51,998.10
  6. Step 6: Final answer
    x = 64,943.37

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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.