Home / 90,517.98-135,692.88-48,427.11

Finding the Fourth Proportional to 90,517.98, 135,692.88 and 48,427.11

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Solution

The fourth proportional to 90,517.98, 135,692.88 and 48,427.11 is: 72,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,517.98 : 135,692.88 = 48,427.11 : x
  2. Step 2: Convert to fraction form
    90,517.98/135,692.88 = 48,427.11/x
  3. Step 3: Cross multiply
    90,517.98x = 135,692.88 × 48,427.11
  4. Step 4: Simplify right side
    90,517.98x = 6,571,214,025.98
  5. Step 5: Solve for x
    x = 6,571,214,025.98/90,517.98
  6. Step 6: Final answer
    x = 72,595.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.