Home / 52,979.64-73,116-30,325.74

Finding the Fourth Proportional to 52,979.64, 73,116 and 30,325.74

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Solution

The fourth proportional to 52,979.64, 73,116 and 30,325.74 is: 41,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,979.64 : 73,116 = 30,325.74 : x
  2. Step 2: Convert to fraction form
    52,979.64/73,116 = 30,325.74/x
  3. Step 3: Cross multiply
    52,979.64x = 73,116 × 30,325.74
  4. Step 4: Simplify right side
    52,979.64x = 2,217,296,805.84
  5. Step 5: Solve for x
    x = 2,217,296,805.84/52,979.64
  6. Step 6: Final answer
    x = 41,851.87

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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.