Home / 51,137.28-76,710.30-15,606.60

Finding the Fourth Proportional to 51,137.28, 76,710.30 and 15,606.60

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Solution

The fourth proportional to 51,137.28, 76,710.30 and 15,606.60 is: 23,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,137.28 : 76,710.30 = 15,606.60 : x
  2. Step 2: Convert to fraction form
    51,137.28/76,710.30 = 15,606.60/x
  3. Step 3: Cross multiply
    51,137.28x = 76,710.30 × 15,606.60
  4. Step 4: Simplify right side
    51,137.28x = 1,197,186,967.98
  5. Step 5: Solve for x
    x = 1,197,186,967.98/51,137.28
  6. Step 6: Final answer
    x = 23,411.24

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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.