Home / 84,010.54-126,068.56-34,090.85

Finding the Fourth Proportional to 84,010.54, 126,068.56 and 34,090.85

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Solution

The fourth proportional to 84,010.54, 126,068.56 and 34,090.85 is: 51,157.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.54 : 126,068.56 = 34,090.85 : x
  2. Step 2: Convert to fraction form
    84,010.54/126,068.56 = 34,090.85/x
  3. Step 3: Cross multiply
    84,010.54x = 126,068.56 × 34,090.85
  4. Step 4: Simplify right side
    84,010.54x = 4,297,784,368.68
  5. Step 5: Solve for x
    x = 4,297,784,368.68/84,010.54
  6. Step 6: Final answer
    x = 51,157.68

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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.