Home / 98,324.63-135,692.04-55,306.13

Finding the Fourth Proportional to 98,324.63, 135,692.04 and 55,306.13

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Solution

The fourth proportional to 98,324.63, 135,692.04 and 55,306.13 is: 76,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,324.63 : 135,692.04 = 55,306.13 : x
  2. Step 2: Convert to fraction form
    98,324.63/135,692.04 = 55,306.13/x
  3. Step 3: Cross multiply
    98,324.63x = 135,692.04 × 55,306.13
  4. Step 4: Simplify right side
    98,324.63x = 7,504,600,925.75
  5. Step 5: Solve for x
    x = 7,504,600,925.75/98,324.63
  6. Step 6: Final answer
    x = 76,324.73

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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.