Home / 79,376.24-109,538.52-43,564.64

Finding the Fourth Proportional to 79,376.24, 109,538.52 and 43,564.64

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Solution

The fourth proportional to 79,376.24, 109,538.52 and 43,564.64 is: 60,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,376.24 : 109,538.52 = 43,564.64 : x
  2. Step 2: Convert to fraction form
    79,376.24/109,538.52 = 43,564.64/x
  3. Step 3: Cross multiply
    79,376.24x = 109,538.52 × 43,564.64
  4. Step 4: Simplify right side
    79,376.24x = 4,772,006,189.93
  5. Step 5: Solve for x
    x = 4,772,006,189.93/79,376.24
  6. Step 6: Final answer
    x = 60,118.82

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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.