Home / 103,686.16-155,553.96-33,565.49

Finding the Fourth Proportional to 103,686.16, 155,553.96 and 33,565.49

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Solution

The fourth proportional to 103,686.16, 155,553.96 and 33,565.49 is: 50,356.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,686.16 : 155,553.96 = 33,565.49 : x
  2. Step 2: Convert to fraction form
    103,686.16/155,553.96 = 33,565.49/x
  3. Step 3: Cross multiply
    103,686.16x = 155,553.96 × 33,565.49
  4. Step 4: Simplify right side
    103,686.16x = 5,221,244,888.84
  5. Step 5: Solve for x
    x = 5,221,244,888.84/103,686.16
  6. Step 6: Final answer
    x = 50,356.24

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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.