Home / 109,670.60-164,571.72-47,341.04

Finding the Fourth Proportional to 109,670.60, 164,571.72 and 47,341.04

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Solution

The fourth proportional to 109,670.60, 164,571.72 and 47,341.04 is: 71,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,670.60 : 164,571.72 = 47,341.04 : x
  2. Step 2: Convert to fraction form
    109,670.60/164,571.72 = 47,341.04/x
  3. Step 3: Cross multiply
    109,670.60x = 164,571.72 × 47,341.04
  4. Step 4: Simplify right side
    109,670.60x = 7,790,996,379.39
  5. Step 5: Solve for x
    x = 7,790,996,379.39/109,670.60
  6. Step 6: Final answer
    x = 71,039.97

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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.