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Finding the Fourth Proportional to 81,033.92, 121,502.88 and 27,707.03

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Solution

The fourth proportional to 81,033.92, 121,502.88 and 27,707.03 is: 41,544.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,033.92 : 121,502.88 = 27,707.03 : x
  2. Step 2: Convert to fraction form
    81,033.92/121,502.88 = 27,707.03/x
  3. Step 3: Cross multiply
    81,033.92x = 121,502.88 × 27,707.03
  4. Step 4: Simplify right side
    81,033.92x = 3,366,483,941.25
  5. Step 5: Solve for x
    x = 3,366,483,941.25/81,033.92
  6. Step 6: Final answer
    x = 41,544.13

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1.5x scale

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.