Home / 103,776.34-155,686.38-33,650.19

Finding the Fourth Proportional to 103,776.34, 155,686.38 and 33,650.19

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Solution

The fourth proportional to 103,776.34, 155,686.38 and 33,650.19 is: 50,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,776.34 : 155,686.38 = 33,650.19 : x
  2. Step 2: Convert to fraction form
    103,776.34/155,686.38 = 33,650.19/x
  3. Step 3: Cross multiply
    103,776.34x = 155,686.38 × 33,650.19
  4. Step 4: Simplify right side
    103,776.34x = 5,238,876,267.41
  5. Step 5: Solve for x
    x = 5,238,876,267.41/103,776.34
  6. Step 6: Final answer
    x = 50,482.38

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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.