Home / 74,062.31-111,093.45-40,765.23

Finding the Fourth Proportional to 74,062.31, 111,093.45 and 40,765.23

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Solution

The fourth proportional to 74,062.31, 111,093.45 and 40,765.23 is: 61,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.31 : 111,093.45 = 40,765.23 : x
  2. Step 2: Convert to fraction form
    74,062.31/111,093.45 = 40,765.23/x
  3. Step 3: Cross multiply
    74,062.31x = 111,093.45 × 40,765.23
  4. Step 4: Simplify right side
    74,062.31x = 4,528,750,040.74
  5. Step 5: Solve for x
    x = 4,528,750,040.74/74,062.31
  6. Step 6: Final answer
    x = 61,147.84

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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.