Home / 54,104.93-74,712.67-33,721.78

Finding the Fourth Proportional to 54,104.93, 74,712.67 and 33,721.78

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Solution

The fourth proportional to 54,104.93, 74,712.67 and 33,721.78 is: 46,565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,104.93 : 74,712.67 = 33,721.78 : x
  2. Step 2: Convert to fraction form
    54,104.93/74,712.67 = 33,721.78/x
  3. Step 3: Cross multiply
    54,104.93x = 74,712.67 × 33,721.78
  4. Step 4: Simplify right side
    54,104.93x = 2,519,443,931.69
  5. Step 5: Solve for x
    x = 2,519,443,931.69/54,104.93
  6. Step 6: Final answer
    x = 46,565.89

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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.