Home / 56,138.69-84,268.70-49,938.41

Finding the Fourth Proportional to 56,138.69, 84,268.70 and 49,938.41

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Solution

The fourth proportional to 56,138.69, 84,268.70 and 49,938.41 is: 74,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,138.69 : 84,268.70 = 49,938.41 : x
  2. Step 2: Convert to fraction form
    56,138.69/84,268.70 = 49,938.41/x
  3. Step 3: Cross multiply
    56,138.69x = 84,268.70 × 49,938.41
  4. Step 4: Simplify right side
    56,138.69x = 4,208,244,890.77
  5. Step 5: Solve for x
    x = 4,208,244,890.77/56,138.69
  6. Step 6: Final answer
    x = 74,961.58

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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.