Home / 45,789.47-63,191.64-25,642.34

Finding the Fourth Proportional to 45,789.47, 63,191.64 and 25,642.34

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Solution

The fourth proportional to 45,789.47, 63,191.64 and 25,642.34 is: 35,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,789.47 : 63,191.64 = 25,642.34 : x
  2. Step 2: Convert to fraction form
    45,789.47/63,191.64 = 25,642.34/x
  3. Step 3: Cross multiply
    45,789.47x = 63,191.64 × 25,642.34
  4. Step 4: Simplify right side
    45,789.47x = 1,620,381,202.08
  5. Step 5: Solve for x
    x = 1,620,381,202.08/45,789.47
  6. Step 6: Final answer
    x = 35,387.64

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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.