Home / 54,635.46-75,398.40-30,763.04

Finding the Fourth Proportional to 54,635.46, 75,398.40 and 30,763.04

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Solution

The fourth proportional to 54,635.46, 75,398.40 and 30,763.04 is: 42,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.46 : 75,398.40 = 30,763.04 : x
  2. Step 2: Convert to fraction form
    54,635.46/75,398.40 = 30,763.04/x
  3. Step 3: Cross multiply
    54,635.46x = 75,398.40 × 30,763.04
  4. Step 4: Simplify right side
    54,635.46x = 2,319,483,995.14
  5. Step 5: Solve for x
    x = 2,319,483,995.14/54,635.46
  6. Step 6: Final answer
    x = 42,453.82

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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.