Home / 71,273.48-98,355.30-39,007.19

Finding the Fourth Proportional to 71,273.48, 98,355.30 and 39,007.19

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Solution

The fourth proportional to 71,273.48, 98,355.30 and 39,007.19 is: 53,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,273.48 : 98,355.30 = 39,007.19 : x
  2. Step 2: Convert to fraction form
    71,273.48/98,355.30 = 39,007.19/x
  3. Step 3: Cross multiply
    71,273.48x = 98,355.30 × 39,007.19
  4. Step 4: Simplify right side
    71,273.48x = 3,836,563,874.61
  5. Step 5: Solve for x
    x = 3,836,563,874.61/71,273.48
  6. Step 6: Final answer
    x = 53,828.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.