Home / 84,267.75-126,438.53-39,926.19

Finding the Fourth Proportional to 84,267.75, 126,438.53 and 39,926.19

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Solution

The fourth proportional to 84,267.75, 126,438.53 and 39,926.19 is: 59,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,267.75 : 126,438.53 = 39,926.19 : x
  2. Step 2: Convert to fraction form
    84,267.75/126,438.53 = 39,926.19/x
  3. Step 3: Cross multiply
    84,267.75x = 126,438.53 × 39,926.19
  4. Step 4: Simplify right side
    84,267.75x = 5,048,208,572.47
  5. Step 5: Solve for x
    x = 5,048,208,572.47/84,267.75
  6. Step 6: Final answer
    x = 59,906.77

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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.