Home / 61,979.64-92,917.64-28,723.54

Finding the Fourth Proportional to 61,979.64, 92,917.64 and 28,723.54

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Solution

The fourth proportional to 61,979.64, 92,917.64 and 28,723.54 is: 43,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,979.64 : 92,917.64 = 28,723.54 : x
  2. Step 2: Convert to fraction form
    61,979.64/92,917.64 = 28,723.54/x
  3. Step 3: Cross multiply
    61,979.64x = 92,917.64 × 28,723.54
  4. Step 4: Simplify right side
    61,979.64x = 2,668,923,549.25
  5. Step 5: Solve for x
    x = 2,668,923,549.25/61,979.64
  6. Step 6: Final answer
    x = 43,061.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.