Home / 73,118.57-109,511.40-57,224.48

Finding the Fourth Proportional to 73,118.57, 109,511.40 and 57,224.48

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Solution

The fourth proportional to 73,118.57, 109,511.40 and 57,224.48 is: 85,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.57 : 109,511.40 = 57,224.48 : x
  2. Step 2: Convert to fraction form
    73,118.57/109,511.40 = 57,224.48/x
  3. Step 3: Cross multiply
    73,118.57x = 109,511.40 × 57,224.48
  4. Step 4: Simplify right side
    73,118.57x = 6,266,732,919.07
  5. Step 5: Solve for x
    x = 6,266,732,919.07/73,118.57
  6. Step 6: Final answer
    x = 85,706.45

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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.