Home / 82,435.04-123,648.73-34,383.82

Finding the Fourth Proportional to 82,435.04, 123,648.73 and 34,383.82

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Solution

The fourth proportional to 82,435.04, 123,648.73 and 34,383.82 is: 51,574.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,435.04 : 123,648.73 = 34,383.82 : x
  2. Step 2: Convert to fraction form
    82,435.04/123,648.73 = 34,383.82/x
  3. Step 3: Cross multiply
    82,435.04x = 123,648.73 × 34,383.82
  4. Step 4: Simplify right side
    82,435.04x = 4,251,515,164.55
  5. Step 5: Solve for x
    x = 4,251,515,164.55/82,435.04
  6. Step 6: Final answer
    x = 51,574.13

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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.