Home / 54,705.23-81,975.83-42,206.52

Finding the Fourth Proportional to 54,705.23, 81,975.83 and 42,206.52

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Solution

The fourth proportional to 54,705.23, 81,975.83 and 42,206.52 is: 63,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.23 : 81,975.83 = 42,206.52 : x
  2. Step 2: Convert to fraction form
    54,705.23/81,975.83 = 42,206.52/x
  3. Step 3: Cross multiply
    54,705.23x = 81,975.83 × 42,206.52
  4. Step 4: Simplify right side
    54,705.23x = 3,459,914,508.41
  5. Step 5: Solve for x
    x = 3,459,914,508.41/54,705.23
  6. Step 6: Final answer
    x = 63,246.50

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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.