Home / 82,445.70-123,656.40-23,287.35

Finding the Fourth Proportional to 82,445.70, 123,656.40 and 23,287.35

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Solution

The fourth proportional to 82,445.70, 123,656.40 and 23,287.35 is: 34,927.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,445.70 : 123,656.40 = 23,287.35 : x
  2. Step 2: Convert to fraction form
    82,445.70/123,656.40 = 23,287.35/x
  3. Step 3: Cross multiply
    82,445.70x = 123,656.40 × 23,287.35
  4. Step 4: Simplify right side
    82,445.70x = 2,879,629,866.54
  5. Step 5: Solve for x
    x = 2,879,629,866.54/82,445.70
  6. Step 6: Final answer
    x = 34,927.59

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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.