Home / 72,867.30-109,317.40-22,270.92

Finding the Fourth Proportional to 72,867.30, 109,317.40 and 22,270.92

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Solution

The fourth proportional to 72,867.30, 109,317.40 and 22,270.92 is: 33,411.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,867.30 : 109,317.40 = 22,270.92 : x
  2. Step 2: Convert to fraction form
    72,867.30/109,317.40 = 22,270.92/x
  3. Step 3: Cross multiply
    72,867.30x = 109,317.40 × 22,270.92
  4. Step 4: Simplify right side
    72,867.30x = 2,434,599,070.01
  5. Step 5: Solve for x
    x = 2,434,599,070.01/72,867.30
  6. Step 6: Final answer
    x = 33,411.41

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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.