Home / 81,537.08-112,494.26-49,259.61

Finding the Fourth Proportional to 81,537.08, 112,494.26 and 49,259.61

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Solution

The fourth proportional to 81,537.08, 112,494.26 and 49,259.61 is: 67,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,537.08 : 112,494.26 = 49,259.61 : x
  2. Step 2: Convert to fraction form
    81,537.08/112,494.26 = 49,259.61/x
  3. Step 3: Cross multiply
    81,537.08x = 112,494.26 × 49,259.61
  4. Step 4: Simplify right side
    81,537.08x = 5,541,423,497.99
  5. Step 5: Solve for x
    x = 5,541,423,497.99/81,537.08
  6. Step 6: Final answer
    x = 67,962.01

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Why These Related Problems?

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