Home / 54,761.46-75,567.67-30,886.71

Finding the Fourth Proportional to 54,761.46, 75,567.67 and 30,886.71

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Solution

The fourth proportional to 54,761.46, 75,567.67 and 30,886.71 is: 42,621.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,761.46 : 75,567.67 = 30,886.71 : x
  2. Step 2: Convert to fraction form
    54,761.46/75,567.67 = 30,886.71/x
  3. Step 3: Cross multiply
    54,761.46x = 75,567.67 × 30,886.71
  4. Step 4: Simplify right side
    54,761.46x = 2,334,036,708.67
  5. Step 5: Solve for x
    x = 2,334,036,708.67/54,761.46
  6. Step 6: Final answer
    x = 42,621.89

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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.