Home / 51,324.30-70,313.12-49,405.40

Finding the Fourth Proportional to 51,324.30, 70,313.12 and 49,405.40

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Solution

The fourth proportional to 51,324.30, 70,313.12 and 49,405.40 is: 67,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.30 : 70,313.12 = 49,405.40 : x
  2. Step 2: Convert to fraction form
    51,324.30/70,313.12 = 49,405.40/x
  3. Step 3: Cross multiply
    51,324.30x = 70,313.12 × 49,405.40
  4. Step 4: Simplify right side
    51,324.30x = 3,473,847,935.11
  5. Step 5: Solve for x
    x = 3,473,847,935.11/51,324.30
  6. Step 6: Final answer
    x = 67,684.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.