Home / 48,664.81-67,122.87-31,637.65

Finding the Fourth Proportional to 48,664.81, 67,122.87 and 31,637.65

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Solution

The fourth proportional to 48,664.81, 67,122.87 and 31,637.65 is: 43,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,664.81 : 67,122.87 = 31,637.65 : x
  2. Step 2: Convert to fraction form
    48,664.81/67,122.87 = 31,637.65/x
  3. Step 3: Cross multiply
    48,664.81x = 67,122.87 × 31,637.65
  4. Step 4: Simplify right side
    48,664.81x = 2,123,609,868.06
  5. Step 5: Solve for x
    x = 2,123,609,868.06/48,664.81
  6. Step 6: Final answer
    x = 43,637.48

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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.