Home / 57,076.66-78,787.87-51,097.95

Finding the Fourth Proportional to 57,076.66, 78,787.87 and 51,097.95

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Solution

The fourth proportional to 57,076.66, 78,787.87 and 51,097.95 is: 70,534.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.66 : 78,787.87 = 51,097.95 : x
  2. Step 2: Convert to fraction form
    57,076.66/78,787.87 = 51,097.95/x
  3. Step 3: Cross multiply
    57,076.66x = 78,787.87 × 51,097.95
  4. Step 4: Simplify right side
    57,076.66x = 4,025,898,641.87
  5. Step 5: Solve for x
    x = 4,025,898,641.87/57,076.66
  6. Step 6: Final answer
    x = 70,534.94

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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.