Home / 79,717.12-109,952.96-52,460.16

Finding the Fourth Proportional to 79,717.12, 109,952.96 and 52,460.16

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Solution

The fourth proportional to 79,717.12, 109,952.96 and 52,460.16 is: 72,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.12 : 109,952.96 = 52,460.16 : x
  2. Step 2: Convert to fraction form
    79,717.12/109,952.96 = 52,460.16/x
  3. Step 3: Cross multiply
    79,717.12x = 109,952.96 × 52,460.16
  4. Step 4: Simplify right side
    79,717.12x = 5,768,149,874.07
  5. Step 5: Solve for x
    x = 5,768,149,874.07/79,717.12
  6. Step 6: Final answer
    x = 72,357.73

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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.