Home / 57,176.66-78,942.29-35,699.10

Finding the Fourth Proportional to 57,176.66, 78,942.29 and 35,699.10

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Solution

The fourth proportional to 57,176.66, 78,942.29 and 35,699.10 is: 49,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.66 : 78,942.29 = 35,699.10 : x
  2. Step 2: Convert to fraction form
    57,176.66/78,942.29 = 35,699.10/x
  3. Step 3: Cross multiply
    57,176.66x = 78,942.29 × 35,699.10
  4. Step 4: Simplify right side
    57,176.66x = 2,818,168,704.94
  5. Step 5: Solve for x
    x = 2,818,168,704.94/57,176.66
  6. Step 6: Final answer
    x = 49,288.80

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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.