Home / 98,397.48-135,787.83-55,956

Finding the Fourth Proportional to 98,397.48, 135,787.83 and 55,956

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Solution

The fourth proportional to 98,397.48, 135,787.83 and 55,956 is: 77,218.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,397.48 : 135,787.83 = 55,956 : x
  2. Step 2: Convert to fraction form
    98,397.48/135,787.83 = 55,956/x
  3. Step 3: Cross multiply
    98,397.48x = 135,787.83 × 55,956
  4. Step 4: Simplify right side
    98,397.48x = 7,598,143,815.48
  5. Step 5: Solve for x
    x = 7,598,143,815.48/98,397.48
  6. Step 6: Final answer
    x = 77,218.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.