Home / 55,963.85-83,949.05-15,979.76

Finding the Fourth Proportional to 55,963.85, 83,949.05 and 15,979.76

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Solution

The fourth proportional to 55,963.85, 83,949.05 and 15,979.76 is: 23,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.85 : 83,949.05 = 15,979.76 : x
  2. Step 2: Convert to fraction form
    55,963.85/83,949.05 = 15,979.76/x
  3. Step 3: Cross multiply
    55,963.85x = 83,949.05 × 15,979.76
  4. Step 4: Simplify right side
    55,963.85x = 1,341,485,291.43
  5. Step 5: Solve for x
    x = 1,341,485,291.43/55,963.85
  6. Step 6: Final answer
    x = 23,970.57

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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.