Home / 57,076.29-78,787.35-51,097.58

Finding the Fourth Proportional to 57,076.29, 78,787.35 and 51,097.58

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Solution

The fourth proportional to 57,076.29, 78,787.35 and 51,097.58 is: 70,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,076.29 : 78,787.35 = 51,097.58 : x
  2. Step 2: Convert to fraction form
    57,076.29/78,787.35 = 51,097.58/x
  3. Step 3: Cross multiply
    57,076.29x = 78,787.35 × 51,097.58
  4. Step 4: Simplify right side
    57,076.29x = 4,025,842,525.68
  5. Step 5: Solve for x
    x = 4,025,842,525.68/57,076.29
  6. Step 6: Final answer
    x = 70,534.42

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1.5x scale

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.