Home / 97,877.80-135,074.34-55,442.44

Finding the Fourth Proportional to 97,877.80, 135,074.34 and 55,442.44

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Solution

The fourth proportional to 97,877.80, 135,074.34 and 55,442.44 is: 76,512.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,877.80 : 135,074.34 = 55,442.44 : x
  2. Step 2: Convert to fraction form
    97,877.80/135,074.34 = 55,442.44/x
  3. Step 3: Cross multiply
    97,877.80x = 135,074.34 × 55,442.44
  4. Step 4: Simplify right side
    97,877.80x = 7,488,850,990.99
  5. Step 5: Solve for x
    x = 7,488,850,990.99/97,877.80
  6. Step 6: Final answer
    x = 76,512.25

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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.