Home / 57,049.64-78,702.31-36,913.08

Finding the Fourth Proportional to 57,049.64, 78,702.31 and 36,913.08

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Solution

The fourth proportional to 57,049.64, 78,702.31 and 36,913.08 is: 50,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,049.64 : 78,702.31 = 36,913.08 : x
  2. Step 2: Convert to fraction form
    57,049.64/78,702.31 = 36,913.08/x
  3. Step 3: Cross multiply
    57,049.64x = 78,702.31 × 36,913.08
  4. Step 4: Simplify right side
    57,049.64x = 2,905,144,665.21
  5. Step 5: Solve for x
    x = 2,905,144,665.21/57,049.64
  6. Step 6: Final answer
    x = 50,923.10

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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.