Home / 81,305.27-112,184.44-55,802.27

Finding the Fourth Proportional to 81,305.27, 112,184.44 and 55,802.27

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Solution

The fourth proportional to 81,305.27, 112,184.44 and 55,802.27 is: 76,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,305.27 : 112,184.44 = 55,802.27 : x
  2. Step 2: Convert to fraction form
    81,305.27/112,184.44 = 55,802.27/x
  3. Step 3: Cross multiply
    81,305.27x = 112,184.44 × 55,802.27
  4. Step 4: Simplify right side
    81,305.27x = 6,260,146,234.48
  5. Step 5: Solve for x
    x = 6,260,146,234.48/81,305.27
  6. Step 6: Final answer
    x = 76,995.58

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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.