Home / 51,396.24-70,932.08-31,254.60

Finding the Fourth Proportional to 51,396.24, 70,932.08 and 31,254.60

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Solution

The fourth proportional to 51,396.24, 70,932.08 and 31,254.60 is: 43,134.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,396.24 : 70,932.08 = 31,254.60 : x
  2. Step 2: Convert to fraction form
    51,396.24/70,932.08 = 31,254.60/x
  3. Step 3: Cross multiply
    51,396.24x = 70,932.08 × 31,254.60
  4. Step 4: Simplify right side
    51,396.24x = 2,216,953,787.57
  5. Step 5: Solve for x
    x = 2,216,953,787.57/51,396.24
  6. Step 6: Final answer
    x = 43,134.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.