Home / 79,182.32-109,271.64-43,372.92

Finding the Fourth Proportional to 79,182.32, 109,271.64 and 43,372.92

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Solution

The fourth proportional to 79,182.32, 109,271.64 and 43,372.92 is: 59,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182.32 : 109,271.64 = 43,372.92 : x
  2. Step 2: Convert to fraction form
    79,182.32/109,271.64 = 43,372.92/x
  3. Step 3: Cross multiply
    79,182.32x = 109,271.64 × 43,372.92
  4. Step 4: Simplify right side
    79,182.32x = 4,739,430,099.99
  5. Step 5: Solve for x
    x = 4,739,430,099.99/79,182.32
  6. Step 6: Final answer
    x = 59,854.65

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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.