Home / 105,009.80-157,545.21-33,930.95

Finding the Fourth Proportional to 105,009.80, 157,545.21 and 33,930.95

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Solution

The fourth proportional to 105,009.80, 157,545.21 and 33,930.95 is: 50,906.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,009.80 : 157,545.21 = 33,930.95 : x
  2. Step 2: Convert to fraction form
    105,009.80/157,545.21 = 33,930.95/x
  3. Step 3: Cross multiply
    105,009.80x = 157,545.21 × 33,930.95
  4. Step 4: Simplify right side
    105,009.80x = 5,345,658,643.25
  5. Step 5: Solve for x
    x = 5,345,658,643.25/105,009.80
  6. Step 6: Final answer
    x = 50,906.28

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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.