Home / 84,199.70-126,353.31-39,829.07

Finding the Fourth Proportional to 84,199.70, 126,353.31 and 39,829.07

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Solution

The fourth proportional to 84,199.70, 126,353.31 and 39,829.07 is: 59,769.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199.70 : 126,353.31 = 39,829.07 : x
  2. Step 2: Convert to fraction form
    84,199.70/126,353.31 = 39,829.07/x
  3. Step 3: Cross multiply
    84,199.70x = 126,353.31 × 39,829.07
  4. Step 4: Simplify right side
    84,199.70x = 5,032,534,196.96
  5. Step 5: Solve for x
    x = 5,032,534,196.96/84,199.70
  6. Step 6: Final answer
    x = 59,769.03

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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.