Home / 66,977.28-100,487.79-48,241.98

Finding the Fourth Proportional to 66,977.28, 100,487.79 and 48,241.98

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Solution

The fourth proportional to 66,977.28, 100,487.79 and 48,241.98 is: 72,378.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977.28 : 100,487.79 = 48,241.98 : x
  2. Step 2: Convert to fraction form
    66,977.28/100,487.79 = 48,241.98/x
  3. Step 3: Cross multiply
    66,977.28x = 100,487.79 × 48,241.98
  4. Step 4: Simplify right side
    66,977.28x = 4,847,729,955.42
  5. Step 5: Solve for x
    x = 4,847,729,955.42/66,977.28
  6. Step 6: Final answer
    x = 72,378.72

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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.