Home / 57,176.91-78,942.64-35,699.35

Finding the Fourth Proportional to 57,176.91, 78,942.64 and 35,699.35

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Solution

The fourth proportional to 57,176.91, 78,942.64 and 35,699.35 is: 49,289.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.91 : 78,942.64 = 35,699.35 : x
  2. Step 2: Convert to fraction form
    57,176.91/78,942.64 = 35,699.35/x
  3. Step 3: Cross multiply
    57,176.91x = 78,942.64 × 35,699.35
  4. Step 4: Simplify right side
    57,176.91x = 2,818,200,935.28
  5. Step 5: Solve for x
    x = 2,818,200,935.28/57,176.91
  6. Step 6: Final answer
    x = 49,289.15

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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.