Home / 52,316.44-72,207.16-31,091.60

Finding the Fourth Proportional to 52,316.44, 72,207.16 and 31,091.60

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Solution

The fourth proportional to 52,316.44, 72,207.16 and 31,091.60 is: 42,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,316.44 : 72,207.16 = 31,091.60 : x
  2. Step 2: Convert to fraction form
    52,316.44/72,207.16 = 31,091.60/x
  3. Step 3: Cross multiply
    52,316.44x = 72,207.16 × 31,091.60
  4. Step 4: Simplify right side
    52,316.44x = 2,245,036,135.86
  5. Step 5: Solve for x
    x = 2,245,036,135.86/52,316.44
  6. Step 6: Final answer
    x = 42,912.63

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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.