Home / 57,146.84-78,851.43-35,913.83

Finding the Fourth Proportional to 57,146.84, 78,851.43 and 35,913.83

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Solution

The fourth proportional to 57,146.84, 78,851.43 and 35,913.83 is: 49,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.84 : 78,851.43 = 35,913.83 : x
  2. Step 2: Convert to fraction form
    57,146.84/78,851.43 = 35,913.83/x
  3. Step 3: Cross multiply
    57,146.84x = 78,851.43 × 35,913.83
  4. Step 4: Simplify right side
    57,146.84x = 2,831,857,049.41
  5. Step 5: Solve for x
    x = 2,831,857,049.41/57,146.84
  6. Step 6: Final answer
    x = 49,554.05

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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.