Home / 81,543.93-122,293.76-22,365.60

Finding the Fourth Proportional to 81,543.93, 122,293.76 and 22,365.60

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Solution

The fourth proportional to 81,543.93, 122,293.76 and 22,365.60 is: 33,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,543.93 : 122,293.76 = 22,365.60 : x
  2. Step 2: Convert to fraction form
    81,543.93/122,293.76 = 22,365.60/x
  3. Step 3: Cross multiply
    81,543.93x = 122,293.76 × 22,365.60
  4. Step 4: Simplify right side
    81,543.93x = 2,735,173,206.83
  5. Step 5: Solve for x
    x = 2,735,173,206.83/81,543.93
  6. Step 6: Final answer
    x = 33,542.33

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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.