Home / 82,048.55-123,072.83-69,363.95

Finding the Fourth Proportional to 82,048.55, 123,072.83 and 69,363.95

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Solution

The fourth proportional to 82,048.55, 123,072.83 and 69,363.95 is: 104,045.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,048.55 : 123,072.83 = 69,363.95 : x
  2. Step 2: Convert to fraction form
    82,048.55/123,072.83 = 69,363.95/x
  3. Step 3: Cross multiply
    82,048.55x = 123,072.83 × 69,363.95
  4. Step 4: Simplify right side
    82,048.55x = 8,536,817,279.66
  5. Step 5: Solve for x
    x = 8,536,817,279.66/82,048.55
  6. Step 6: Final answer
    x = 104,045.93

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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.