Home / 115,789.84-173,681.52-36,908.80

Finding the Fourth Proportional to 115,789.84, 173,681.52 and 36,908.80

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Solution

The fourth proportional to 115,789.84, 173,681.52 and 36,908.80 is: 55,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,789.84 : 173,681.52 = 36,908.80 : x
  2. Step 2: Convert to fraction form
    115,789.84/173,681.52 = 36,908.80/x
  3. Step 3: Cross multiply
    115,789.84x = 173,681.52 × 36,908.80
  4. Step 4: Simplify right side
    115,789.84x = 6,410,376,485.38
  5. Step 5: Solve for x
    x = 6,410,376,485.38/115,789.84
  6. Step 6: Final answer
    x = 55,362.17

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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.