Home / 84,315.13-126,410.14-51,027.28

Finding the Fourth Proportional to 84,315.13, 126,410.14 and 51,027.28

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Solution

The fourth proportional to 84,315.13, 126,410.14 and 51,027.28 is: 76,503.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,315.13 : 126,410.14 = 51,027.28 : x
  2. Step 2: Convert to fraction form
    84,315.13/126,410.14 = 51,027.28/x
  3. Step 3: Cross multiply
    84,315.13x = 126,410.14 × 51,027.28
  4. Step 4: Simplify right side
    84,315.13x = 6,450,365,608.62
  5. Step 5: Solve for x
    x = 6,450,365,608.62/84,315.13
  6. Step 6: Final answer
    x = 76,503.06

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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.