Home / 66,255.11-99,280.61-30,694.49

Finding the Fourth Proportional to 66,255.11, 99,280.61 and 30,694.49

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Solution

The fourth proportional to 66,255.11, 99,280.61 and 30,694.49 is: 45,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.11 : 99,280.61 = 30,694.49 : x
  2. Step 2: Convert to fraction form
    66,255.11/99,280.61 = 30,694.49/x
  3. Step 3: Cross multiply
    66,255.11x = 99,280.61 × 30,694.49
  4. Step 4: Simplify right side
    66,255.11x = 3,047,367,040.96
  5. Step 5: Solve for x
    x = 3,047,367,040.96/66,255.11
  6. Step 6: Final answer
    x = 45,994.45

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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.