Home / 74,573.67-111,805.81-35,109.25

Finding the Fourth Proportional to 74,573.67, 111,805.81 and 35,109.25

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Solution

The fourth proportional to 74,573.67, 111,805.81 and 35,109.25 is: 52,638.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.67 : 111,805.81 = 35,109.25 : x
  2. Step 2: Convert to fraction form
    74,573.67/111,805.81 = 35,109.25/x
  3. Step 3: Cross multiply
    74,573.67x = 111,805.81 × 35,109.25
  4. Step 4: Simplify right side
    74,573.67x = 3,925,418,134.74
  5. Step 5: Solve for x
    x = 3,925,418,134.74/74,573.67
  6. Step 6: Final answer
    x = 52,638.12

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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.