Home / 72,188.08-108,293.80-22,256.50

Finding the Fourth Proportional to 72,188.08, 108,293.80 and 22,256.50

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Solution

The fourth proportional to 72,188.08, 108,293.80 and 22,256.50 is: 33,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,188.08 : 108,293.80 = 22,256.50 : x
  2. Step 2: Convert to fraction form
    72,188.08/108,293.80 = 22,256.50/x
  3. Step 3: Cross multiply
    72,188.08x = 108,293.80 × 22,256.50
  4. Step 4: Simplify right side
    72,188.08x = 2,410,240,959.70
  5. Step 5: Solve for x
    x = 2,410,240,959.70/72,188.08
  6. Step 6: Final answer
    x = 33,388.35

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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.