Home / 51,268.75-76,916.10-14,332.75

Finding the Fourth Proportional to 51,268.75, 76,916.10 and 14,332.75

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Solution

The fourth proportional to 51,268.75, 76,916.10 and 14,332.75 is: 21,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,268.75 : 76,916.10 = 14,332.75 : x
  2. Step 2: Convert to fraction form
    51,268.75/76,916.10 = 14,332.75/x
  3. Step 3: Cross multiply
    51,268.75x = 76,916.10 × 14,332.75
  4. Step 4: Simplify right side
    51,268.75x = 1,102,419,232.28
  5. Step 5: Solve for x
    x = 1,102,419,232.28/51,268.75
  6. Step 6: Final answer
    x = 21,502.75

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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.