Home / 79,558.30-109,789.53-43,746.18

Finding the Fourth Proportional to 79,558.30, 109,789.53 and 43,746.18

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Solution

The fourth proportional to 79,558.30, 109,789.53 and 43,746.18 is: 60,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,558.30 : 109,789.53 = 43,746.18 : x
  2. Step 2: Convert to fraction form
    79,558.30/109,789.53 = 43,746.18/x
  3. Step 3: Cross multiply
    79,558.30x = 109,789.53 × 43,746.18
  4. Step 4: Simplify right side
    79,558.30x = 4,802,871,965.74
  5. Step 5: Solve for x
    x = 4,802,871,965.74/79,558.30
  6. Step 6: Final answer
    x = 60,369.21

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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.