Home / 45,724.74-63,121.72-34,398.56

Finding the Fourth Proportional to 45,724.74, 63,121.72 and 34,398.56

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Solution

The fourth proportional to 45,724.74, 63,121.72 and 34,398.56 is: 47,486.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,724.74 : 63,121.72 = 34,398.56 : x
  2. Step 2: Convert to fraction form
    45,724.74/63,121.72 = 34,398.56/x
  3. Step 3: Cross multiply
    45,724.74x = 63,121.72 × 34,398.56
  4. Step 4: Simplify right side
    45,724.74x = 2,171,296,272.72
  5. Step 5: Solve for x
    x = 2,171,296,272.72/45,724.74
  6. Step 6: Final answer
    x = 47,486.25

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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.