Home / 82,506.16-123,739.41-38,090.25

Finding the Fourth Proportional to 82,506.16, 123,739.41 and 38,090.25

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Solution

The fourth proportional to 82,506.16, 123,739.41 and 38,090.25 is: 57,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,506.16 : 123,739.41 = 38,090.25 : x
  2. Step 2: Convert to fraction form
    82,506.16/123,739.41 = 38,090.25/x
  3. Step 3: Cross multiply
    82,506.16x = 123,739.41 × 38,090.25
  4. Step 4: Simplify right side
    82,506.16x = 4,713,264,252.60
  5. Step 5: Solve for x
    x = 4,713,264,252.60/82,506.16
  6. Step 6: Final answer
    x = 57,126.21

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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.