Home / 81,333.27-112,238.80-45,523.26

Finding the Fourth Proportional to 81,333.27, 112,238.80 and 45,523.26

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Solution

The fourth proportional to 81,333.27, 112,238.80 and 45,523.26 is: 62,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,333.27 : 112,238.80 = 45,523.26 : x
  2. Step 2: Convert to fraction form
    81,333.27/112,238.80 = 45,523.26/x
  3. Step 3: Cross multiply
    81,333.27x = 112,238.80 × 45,523.26
  4. Step 4: Simplify right side
    81,333.27x = 5,109,475,960.68
  5. Step 5: Solve for x
    x = 5,109,475,960.68/81,333.27
  6. Step 6: Final answer
    x = 62,821.47

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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.