Home / 81,025.29-111,814.70-45,214.92

Finding the Fourth Proportional to 81,025.29, 111,814.70 and 45,214.92

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Solution

The fourth proportional to 81,025.29, 111,814.70 and 45,214.92 is: 62,396.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,025.29 : 111,814.70 = 45,214.92 : x
  2. Step 2: Convert to fraction form
    81,025.29/111,814.70 = 45,214.92/x
  3. Step 3: Cross multiply
    81,025.29x = 111,814.70 × 45,214.92
  4. Step 4: Simplify right side
    81,025.29x = 5,055,692,489.25
  5. Step 5: Solve for x
    x = 5,055,692,489.25/81,025.29
  6. Step 6: Final answer
    x = 62,396.48

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1.5x scale

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.