Home / 103,606.47-155,456.85-50,269.66

Finding the Fourth Proportional to 103,606.47, 155,456.85 and 50,269.66

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Solution

The fourth proportional to 103,606.47, 155,456.85 and 50,269.66 is: 75,427.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,606.47 : 155,456.85 = 50,269.66 : x
  2. Step 2: Convert to fraction form
    103,606.47/155,456.85 = 50,269.66/x
  3. Step 3: Cross multiply
    103,606.47x = 155,456.85 × 50,269.66
  4. Step 4: Simplify right side
    103,606.47x = 7,814,762,994.17
  5. Step 5: Solve for x
    x = 7,814,762,994.17/103,606.47
  6. Step 6: Final answer
    x = 75,427.36

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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.