Home / 49,189.71-67,890.51-29,045.28

Finding the Fourth Proportional to 49,189.71, 67,890.51 and 29,045.28

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Solution

The fourth proportional to 49,189.71, 67,890.51 and 29,045.28 is: 40,087.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.71 : 67,890.51 = 29,045.28 : x
  2. Step 2: Convert to fraction form
    49,189.71/67,890.51 = 29,045.28/x
  3. Step 3: Cross multiply
    49,189.71x = 67,890.51 × 29,045.28
  4. Step 4: Simplify right side
    49,189.71x = 1,971,898,872.29
  5. Step 5: Solve for x
    x = 1,971,898,872.29/49,189.71
  6. Step 6: Final answer
    x = 40,087.63

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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.