Home / 56,790.30-85,120.86-34,554.68

Finding the Fourth Proportional to 56,790.30, 85,120.86 and 34,554.68

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Solution

The fourth proportional to 56,790.30, 85,120.86 and 34,554.68 is: 51,792.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,790.30 : 85,120.86 = 34,554.68 : x
  2. Step 2: Convert to fraction form
    56,790.30/85,120.86 = 34,554.68/x
  3. Step 3: Cross multiply
    56,790.30x = 85,120.86 × 34,554.68
  4. Step 4: Simplify right side
    56,790.30x = 2,941,324,078.62
  5. Step 5: Solve for x
    x = 2,941,324,078.62/56,790.30
  6. Step 6: Final answer
    x = 51,792.72

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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.