Home / 51,693.20-77,540.28-14,253.92

Finding the Fourth Proportional to 51,693.20, 77,540.28 and 14,253.92

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Solution

The fourth proportional to 51,693.20, 77,540.28 and 14,253.92 is: 21,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,693.20 : 77,540.28 = 14,253.92 : x
  2. Step 2: Convert to fraction form
    51,693.20/77,540.28 = 14,253.92/x
  3. Step 3: Cross multiply
    51,693.20x = 77,540.28 × 14,253.92
  4. Step 4: Simplify right side
    51,693.20x = 1,105,252,947.90
  5. Step 5: Solve for x
    x = 1,105,252,947.90/51,693.20
  6. Step 6: Final answer
    x = 21,381.01

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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.