Home / 97,881.54-135,089.37-55,441.50

Finding the Fourth Proportional to 97,881.54, 135,089.37 and 55,441.50

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Solution

The fourth proportional to 97,881.54, 135,089.37 and 55,441.50 is: 76,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,881.54 : 135,089.37 = 55,441.50 : x
  2. Step 2: Convert to fraction form
    97,881.54/135,089.37 = 55,441.50/x
  3. Step 3: Cross multiply
    97,881.54x = 135,089.37 × 55,441.50
  4. Step 4: Simplify right side
    97,881.54x = 7,489,557,306.86
  5. Step 5: Solve for x
    x = 7,489,557,306.86/97,881.54
  6. Step 6: Final answer
    x = 76,516.55

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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.