Home / 81,656.73-122,271.26-53,488.17

Finding the Fourth Proportional to 81,656.73, 122,271.26 and 53,488.17

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Solution

The fourth proportional to 81,656.73, 122,271.26 and 53,488.17 is: 80,092.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656.73 : 122,271.26 = 53,488.17 : x
  2. Step 2: Convert to fraction form
    81,656.73/122,271.26 = 53,488.17/x
  3. Step 3: Cross multiply
    81,656.73x = 122,271.26 × 53,488.17
  4. Step 4: Simplify right side
    81,656.73x = 6,540,065,673.55
  5. Step 5: Solve for x
    x = 6,540,065,673.55/81,656.73
  6. Step 6: Final answer
    x = 80,092.18

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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.