Home / 124,371.05-186,555.96-30,876.80

Finding the Fourth Proportional to 124,371.05, 186,555.96 and 30,876.80

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Solution

The fourth proportional to 124,371.05, 186,555.96 and 30,876.80 is: 46,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,371.05 : 186,555.96 = 30,876.80 : x
  2. Step 2: Convert to fraction form
    124,371.05/186,555.96 = 30,876.80/x
  3. Step 3: Cross multiply
    124,371.05x = 186,555.96 × 30,876.80
  4. Step 4: Simplify right side
    124,371.05x = 5,760,250,132.95
  5. Step 5: Solve for x
    x = 5,760,250,132.95/124,371.05
  6. Step 6: Final answer
    x = 46,315.04

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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.