Home / 79,169.16-109,261.68-46,923

Finding the Fourth Proportional to 79,169.16, 109,261.68 and 46,923

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Solution

The fourth proportional to 79,169.16, 109,261.68 and 46,923 is: 64,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169.16 : 109,261.68 = 46,923 : x
  2. Step 2: Convert to fraction form
    79,169.16/109,261.68 = 46,923/x
  3. Step 3: Cross multiply
    79,169.16x = 109,261.68 × 46,923
  4. Step 4: Simplify right side
    79,169.16x = 5,126,885,810.64
  5. Step 5: Solve for x
    x = 5,126,885,810.64/79,169.16
  6. Step 6: Final answer
    x = 64,758.62

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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.