Home / 87,506.46-120,504.78-76,016.10

Finding the Fourth Proportional to 87,506.46, 120,504.78 and 76,016.10

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Solution

The fourth proportional to 87,506.46, 120,504.78 and 76,016.10 is: 104,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,506.46 : 120,504.78 = 76,016.10 : x
  2. Step 2: Convert to fraction form
    87,506.46/120,504.78 = 76,016.10/x
  3. Step 3: Cross multiply
    87,506.46x = 120,504.78 × 76,016.10
  4. Step 4: Simplify right side
    87,506.46x = 9,160,303,406.96
  5. Step 5: Solve for x
    x = 9,160,303,406.96/87,506.46
  6. Step 6: Final answer
    x = 104,681.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.