Home / 74,478.40-111,654.66-32,326.60

Finding the Fourth Proportional to 74,478.40, 111,654.66 and 32,326.60

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Solution

The fourth proportional to 74,478.40, 111,654.66 and 32,326.60 is: 48,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,478.40 : 111,654.66 = 32,326.60 : x
  2. Step 2: Convert to fraction form
    74,478.40/111,654.66 = 32,326.60/x
  3. Step 3: Cross multiply
    74,478.40x = 111,654.66 × 32,326.60
  4. Step 4: Simplify right side
    74,478.40x = 3,609,415,531.96
  5. Step 5: Solve for x
    x = 3,609,415,531.96/74,478.40
  6. Step 6: Final answer
    x = 48,462.58

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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.