Home / 82,299.89-123,238.98-56,964.31

Finding the Fourth Proportional to 82,299.89, 123,238.98 and 56,964.31

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Solution

The fourth proportional to 82,299.89, 123,238.98 and 56,964.31 is: 85,300.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,299.89 : 123,238.98 = 56,964.31 : x
  2. Step 2: Convert to fraction form
    82,299.89/123,238.98 = 56,964.31/x
  3. Step 3: Cross multiply
    82,299.89x = 123,238.98 × 56,964.31
  4. Step 4: Simplify right side
    82,299.89x = 7,020,223,460.80
  5. Step 5: Solve for x
    x = 7,020,223,460.80/82,299.89
  6. Step 6: Final answer
    x = 85,300.52

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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.