Home / 81,567.07-122,330.35-22,399.81

Finding the Fourth Proportional to 81,567.07, 122,330.35 and 22,399.81

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Solution

The fourth proportional to 81,567.07, 122,330.35 and 22,399.81 is: 33,594.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,567.07 : 122,330.35 = 22,399.81 : x
  2. Step 2: Convert to fraction form
    81,567.07/122,330.35 = 22,399.81/x
  3. Step 3: Cross multiply
    81,567.07x = 122,330.35 × 22,399.81
  4. Step 4: Simplify right side
    81,567.07x = 2,740,176,597.23
  5. Step 5: Solve for x
    x = 2,740,176,597.23/81,567.07
  6. Step 6: Final answer
    x = 33,594.15

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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.