Home / 74,397.84-111,456.06-57,675.96

Finding the Fourth Proportional to 74,397.84, 111,456.06 and 57,675.96

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Solution

The fourth proportional to 74,397.84, 111,456.06 and 57,675.96 is: 86,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,397.84 : 111,456.06 = 57,675.96 : x
  2. Step 2: Convert to fraction form
    74,397.84/111,456.06 = 57,675.96/x
  3. Step 3: Cross multiply
    74,397.84x = 111,456.06 × 57,675.96
  4. Step 4: Simplify right side
    74,397.84x = 6,428,335,258.32
  5. Step 5: Solve for x
    x = 6,428,335,258.32/74,397.84
  6. Step 6: Final answer
    x = 86,404.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.