Home / 82,506.75-123,740.30-38,090.83

Finding the Fourth Proportional to 82,506.75, 123,740.30 and 38,090.83

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Solution

The fourth proportional to 82,506.75, 123,740.30 and 38,090.83 is: 57,127.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,506.75 : 123,740.30 = 38,090.83 : x
  2. Step 2: Convert to fraction form
    82,506.75/123,740.30 = 38,090.83/x
  3. Step 3: Cross multiply
    82,506.75x = 123,740.30 × 38,090.83
  4. Step 4: Simplify right side
    82,506.75x = 4,713,370,826.68
  5. Step 5: Solve for x
    x = 4,713,370,826.68/82,506.75
  6. Step 6: Final answer
    x = 57,127.09

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1.5x scale

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.