Home / 84,021.79-126,085.24-34,101.89

Finding the Fourth Proportional to 84,021.79, 126,085.24 and 34,101.89

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Solution

The fourth proportional to 84,021.79, 126,085.24 and 34,101.89 is: 51,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,021.79 : 126,085.24 = 34,101.89 : x
  2. Step 2: Convert to fraction form
    84,021.79/126,085.24 = 34,101.89/x
  3. Step 3: Cross multiply
    84,021.79x = 126,085.24 × 34,101.89
  4. Step 4: Simplify right side
    84,021.79x = 4,299,744,985.10
  5. Step 5: Solve for x
    x = 4,299,744,985.10/84,021.79
  6. Step 6: Final answer
    x = 51,174.17

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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.