Home / 79,175.30-109,263.68-45,183.10

Finding the Fourth Proportional to 79,175.30, 109,263.68 and 45,183.10

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Solution

The fourth proportional to 79,175.30, 109,263.68 and 45,183.10 is: 62,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,175.30 : 109,263.68 = 45,183.10 : x
  2. Step 2: Convert to fraction form
    79,175.30/109,263.68 = 45,183.10/x
  3. Step 3: Cross multiply
    79,175.30x = 109,263.68 × 45,183.10
  4. Step 4: Simplify right side
    79,175.30x = 4,936,871,779.81
  5. Step 5: Solve for x
    x = 4,936,871,779.81/79,175.30
  6. Step 6: Final answer
    x = 62,353.69

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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.