Home / 51,110.52-76,656.06-13,672.32

Finding the Fourth Proportional to 51,110.52, 76,656.06 and 13,672.32

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Solution

The fourth proportional to 51,110.52, 76,656.06 and 13,672.32 is: 20,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.52 : 76,656.06 = 13,672.32 : x
  2. Step 2: Convert to fraction form
    51,110.52/76,656.06 = 13,672.32/x
  3. Step 3: Cross multiply
    51,110.52x = 76,656.06 × 13,672.32
  4. Step 4: Simplify right side
    51,110.52x = 1,048,066,182.26
  5. Step 5: Solve for x
    x = 1,048,066,182.26/51,110.52
  6. Step 6: Final answer
    x = 20,505.88

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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.