Home / 80,922.65-111,712.87-62,733.18

Finding the Fourth Proportional to 80,922.65, 111,712.87 and 62,733.18

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Solution

The fourth proportional to 80,922.65, 111,712.87 and 62,733.18 is: 86,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,922.65 : 111,712.87 = 62,733.18 : x
  2. Step 2: Convert to fraction form
    80,922.65/111,712.87 = 62,733.18/x
  3. Step 3: Cross multiply
    80,922.65x = 111,712.87 × 62,733.18
  4. Step 4: Simplify right side
    80,922.65x = 7,008,104,079.37
  5. Step 5: Solve for x
    x = 7,008,104,079.37/80,922.65
  6. Step 6: Final answer
    x = 86,602.51

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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.