Home / 57,146.09-78,850.40-35,913.08

Finding the Fourth Proportional to 57,146.09, 78,850.40 and 35,913.08

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Solution

The fourth proportional to 57,146.09, 78,850.40 and 35,913.08 is: 49,553.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,146.09 : 78,850.40 = 35,913.08 : x
  2. Step 2: Convert to fraction form
    57,146.09/78,850.40 = 35,913.08/x
  3. Step 3: Cross multiply
    57,146.09x = 78,850.40 × 35,913.08
  4. Step 4: Simplify right side
    57,146.09x = 2,831,760,740.79
  5. Step 5: Solve for x
    x = 2,831,760,740.79/57,146.09
  6. Step 6: Final answer
    x = 49,553.01

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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.