Home / 48,534.44-66,971.38-28,387.36

Finding the Fourth Proportional to 48,534.44, 66,971.38 and 28,387.36

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Solution

The fourth proportional to 48,534.44, 66,971.38 and 28,387.36 is: 39,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,534.44 : 66,971.38 = 28,387.36 : x
  2. Step 2: Convert to fraction form
    48,534.44/66,971.38 = 28,387.36/x
  3. Step 3: Cross multiply
    48,534.44x = 66,971.38 × 28,387.36
  4. Step 4: Simplify right side
    48,534.44x = 1,901,140,673.76
  5. Step 5: Solve for x
    x = 1,901,140,673.76/48,534.44
  6. Step 6: Final answer
    x = 39,170.96

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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.