Home / 55,949.77-83,937.30-18,509.76

Finding the Fourth Proportional to 55,949.77, 83,937.30 and 18,509.76

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Solution

The fourth proportional to 55,949.77, 83,937.30 and 18,509.76 is: 27,768.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.77 : 83,937.30 = 18,509.76 : x
  2. Step 2: Convert to fraction form
    55,949.77/83,937.30 = 18,509.76/x
  3. Step 3: Cross multiply
    55,949.77x = 83,937.30 × 18,509.76
  4. Step 4: Simplify right side
    55,949.77x = 1,553,658,858.36
  5. Step 5: Solve for x
    x = 1,553,658,858.36/55,949.77
  6. Step 6: Final answer
    x = 27,768.82

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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.