Home / 51,105.84-76,652.28-37,977.36

Finding the Fourth Proportional to 51,105.84, 76,652.28 and 37,977.36

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Solution

The fourth proportional to 51,105.84, 76,652.28 and 37,977.36 is: 56,961.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,105.84 : 76,652.28 = 37,977.36 : x
  2. Step 2: Convert to fraction form
    51,105.84/76,652.28 = 37,977.36/x
  3. Step 3: Cross multiply
    51,105.84x = 76,652.28 × 37,977.36
  4. Step 4: Simplify right side
    51,105.84x = 2,911,051,232.38
  5. Step 5: Solve for x
    x = 2,911,051,232.38/51,105.84
  6. Step 6: Final answer
    x = 56,961.22

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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.