Home / 48,709.76-67,254.72-31,991.36

Finding the Fourth Proportional to 48,709.76, 67,254.72 and 31,991.36

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Solution

The fourth proportional to 48,709.76, 67,254.72 and 31,991.36 is: 44,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.76 : 67,254.72 = 31,991.36 : x
  2. Step 2: Convert to fraction form
    48,709.76/67,254.72 = 31,991.36/x
  3. Step 3: Cross multiply
    48,709.76x = 67,254.72 × 31,991.36
  4. Step 4: Simplify right side
    48,709.76x = 2,151,569,959.22
  5. Step 5: Solve for x
    x = 2,151,569,959.22/48,709.76
  6. Step 6: Final answer
    x = 44,171.23

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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.