Home / 81,528.52-122,292.96-22,365.04

Finding the Fourth Proportional to 81,528.52, 122,292.96 and 22,365.04

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Solution

The fourth proportional to 81,528.52, 122,292.96 and 22,365.04 is: 33,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,528.52 : 122,292.96 = 22,365.04 : x
  2. Step 2: Convert to fraction form
    81,528.52/122,292.96 = 22,365.04/x
  3. Step 3: Cross multiply
    81,528.52x = 122,292.96 × 22,365.04
  4. Step 4: Simplify right side
    81,528.52x = 2,735,086,942.12
  5. Step 5: Solve for x
    x = 2,735,086,942.12/81,528.52
  6. Step 6: Final answer
    x = 33,547.61

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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.