Home / 51,314.64-76,863.88-26,278.60

Finding the Fourth Proportional to 51,314.64, 76,863.88 and 26,278.60

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Solution

The fourth proportional to 51,314.64, 76,863.88 and 26,278.60 is: 39,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,314.64 : 76,863.88 = 26,278.60 : x
  2. Step 2: Convert to fraction form
    51,314.64/76,863.88 = 26,278.60/x
  3. Step 3: Cross multiply
    51,314.64x = 76,863.88 × 26,278.60
  4. Step 4: Simplify right side
    51,314.64x = 2,019,875,156.97
  5. Step 5: Solve for x
    x = 2,019,875,156.97/51,314.64
  6. Step 6: Final answer
    x = 39,362.55

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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.