Home / 51,056.58-76,453.65-31,275.21

Finding the Fourth Proportional to 51,056.58, 76,453.65 and 31,275.21

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Solution

The fourth proportional to 51,056.58, 76,453.65 and 31,275.21 is: 46,832.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,056.58 : 76,453.65 = 31,275.21 : x
  2. Step 2: Convert to fraction form
    51,056.58/76,453.65 = 31,275.21/x
  3. Step 3: Cross multiply
    51,056.58x = 76,453.65 × 31,275.21
  4. Step 4: Simplify right side
    51,056.58x = 2,391,103,959.02
  5. Step 5: Solve for x
    x = 2,391,103,959.02/51,056.58
  6. Step 6: Final answer
    x = 46,832.43

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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.