Home / 103,053.71-154,595.24-31,982.49

Finding the Fourth Proportional to 103,053.71, 154,595.24 and 31,982.49

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Solution

The fourth proportional to 103,053.71, 154,595.24 and 31,982.49 is: 47,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,053.71 : 154,595.24 = 31,982.49 : x
  2. Step 2: Convert to fraction form
    103,053.71/154,595.24 = 31,982.49/x
  3. Step 3: Cross multiply
    103,053.71x = 154,595.24 × 31,982.49
  4. Step 4: Simplify right side
    103,053.71x = 4,944,340,717.35
  5. Step 5: Solve for x
    x = 4,944,340,717.35/103,053.71
  6. Step 6: Final answer
    x = 47,978.29

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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.