Home / 49,301.81-73,878.91-45,611.25

Finding the Fourth Proportional to 49,301.81, 73,878.91 and 45,611.25

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Solution

The fourth proportional to 49,301.81, 73,878.91 and 45,611.25 is: 68,348.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,301.81 : 73,878.91 = 45,611.25 : x
  2. Step 2: Convert to fraction form
    49,301.81/73,878.91 = 45,611.25/x
  3. Step 3: Cross multiply
    49,301.81x = 73,878.91 × 45,611.25
  4. Step 4: Simplify right side
    49,301.81x = 3,369,709,586.51
  5. Step 5: Solve for x
    x = 3,369,709,586.51/49,301.81
  6. Step 6: Final answer
    x = 68,348.59

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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.