Home / 81,927.51-122,856.48-34,563.84

Finding the Fourth Proportional to 81,927.51, 122,856.48 and 34,563.84

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Solution

The fourth proportional to 81,927.51, 122,856.48 and 34,563.84 is: 51,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,927.51 : 122,856.48 = 34,563.84 : x
  2. Step 2: Convert to fraction form
    81,927.51/122,856.48 = 34,563.84/x
  3. Step 3: Cross multiply
    81,927.51x = 122,856.48 × 34,563.84
  4. Step 4: Simplify right side
    81,927.51x = 4,246,391,717.68
  5. Step 5: Solve for x
    x = 4,246,391,717.68/81,927.51
  6. Step 6: Final answer
    x = 51,831.08

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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.