Home / 97,963.74-135,220.73-55,550.52

Finding the Fourth Proportional to 97,963.74, 135,220.73 and 55,550.52

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Solution

The fourth proportional to 97,963.74, 135,220.73 and 55,550.52 is: 76,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,963.74 : 135,220.73 = 55,550.52 : x
  2. Step 2: Convert to fraction form
    97,963.74/135,220.73 = 55,550.52/x
  3. Step 3: Cross multiply
    97,963.74x = 135,220.73 × 55,550.52
  4. Step 4: Simplify right side
    97,963.74x = 7,511,581,588.53
  5. Step 5: Solve for x
    x = 7,511,581,588.53/97,963.74
  6. Step 6: Final answer
    x = 76,677.16

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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.