Home / 51,017.92-76,141.08-49,689.32

Finding the Fourth Proportional to 51,017.92, 76,141.08 and 49,689.32

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Solution

The fourth proportional to 51,017.92, 76,141.08 and 49,689.32 is: 74,158.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,017.92 : 76,141.08 = 49,689.32 : x
  2. Step 2: Convert to fraction form
    51,017.92/76,141.08 = 49,689.32/x
  3. Step 3: Cross multiply
    51,017.92x = 76,141.08 × 49,689.32
  4. Step 4: Simplify right side
    51,017.92x = 3,783,398,108.56
  5. Step 5: Solve for x
    x = 3,783,398,108.56/51,017.92
  6. Step 6: Final answer
    x = 74,158.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.