Home / 84,539.31-126,828.41-25,376.10

Finding the Fourth Proportional to 84,539.31, 126,828.41 and 25,376.10

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Solution

The fourth proportional to 84,539.31, 126,828.41 and 25,376.10 is: 38,069.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,539.31 : 126,828.41 = 25,376.10 : x
  2. Step 2: Convert to fraction form
    84,539.31/126,828.41 = 25,376.10/x
  3. Step 3: Cross multiply
    84,539.31x = 126,828.41 × 25,376.10
  4. Step 4: Simplify right side
    84,539.31x = 3,218,410,415.00
  5. Step 5: Solve for x
    x = 3,218,410,415.00/84,539.31
  6. Step 6: Final answer
    x = 38,069.99

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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.