Home / 65,916.64-90,974.68-37,629.28

Finding the Fourth Proportional to 65,916.64, 90,974.68 and 37,629.28

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Solution

The fourth proportional to 65,916.64, 90,974.68 and 37,629.28 is: 51,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,916.64 : 90,974.68 = 37,629.28 : x
  2. Step 2: Convert to fraction form
    65,916.64/90,974.68 = 37,629.28/x
  3. Step 3: Cross multiply
    65,916.64x = 90,974.68 × 37,629.28
  4. Step 4: Simplify right side
    65,916.64x = 3,423,311,706.63
  5. Step 5: Solve for x
    x = 3,423,311,706.63/65,916.64
  6. Step 6: Final answer
    x = 51,933.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.