Home / 79,588.18-109,829.38-43,778.19

Finding the Fourth Proportional to 79,588.18, 109,829.38 and 43,778.19

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Solution

The fourth proportional to 79,588.18, 109,829.38 and 43,778.19 is: 60,412.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,588.18 : 109,829.38 = 43,778.19 : x
  2. Step 2: Convert to fraction form
    79,588.18/109,829.38 = 43,778.19/x
  3. Step 3: Cross multiply
    79,588.18x = 109,829.38 × 43,778.19
  4. Step 4: Simplify right side
    79,588.18x = 4,808,130,806.63
  5. Step 5: Solve for x
    x = 4,808,130,806.63/79,588.18
  6. Step 6: Final answer
    x = 60,412.62

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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.