Home / 79,156.68-109,236.42-43,346.94

Finding the Fourth Proportional to 79,156.68, 109,236.42 and 43,346.94

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Solution

The fourth proportional to 79,156.68, 109,236.42 and 43,346.94 is: 59,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,156.68 : 109,236.42 = 43,346.94 : x
  2. Step 2: Convert to fraction form
    79,156.68/109,236.42 = 43,346.94/x
  3. Step 3: Cross multiply
    79,156.68x = 109,236.42 × 43,346.94
  4. Step 4: Simplify right side
    79,156.68x = 4,735,064,543.55
  5. Step 5: Solve for x
    x = 4,735,064,543.55/79,156.68
  6. Step 6: Final answer
    x = 59,818.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.