Home / 82,605.42-123,970.44-38,263.28

Finding the Fourth Proportional to 82,605.42, 123,970.44 and 38,263.28

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Solution

The fourth proportional to 82,605.42, 123,970.44 and 38,263.28 is: 57,423.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,605.42 : 123,970.44 = 38,263.28 : x
  2. Step 2: Convert to fraction form
    82,605.42/123,970.44 = 38,263.28/x
  3. Step 3: Cross multiply
    82,605.42x = 123,970.44 × 38,263.28
  4. Step 4: Simplify right side
    82,605.42x = 4,743,515,657.44
  5. Step 5: Solve for x
    x = 4,743,515,657.44/82,605.42
  6. Step 6: Final answer
    x = 57,423.79

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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.