Home / 76,950.08-106,107.40-50,042.72

Finding the Fourth Proportional to 76,950.08, 106,107.40 and 50,042.72

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Solution

The fourth proportional to 76,950.08, 106,107.40 and 50,042.72 is: 69,004.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,950.08 : 106,107.40 = 50,042.72 : x
  2. Step 2: Convert to fraction form
    76,950.08/106,107.40 = 50,042.72/x
  3. Step 3: Cross multiply
    76,950.08x = 106,107.40 × 50,042.72
  4. Step 4: Simplify right side
    76,950.08x = 5,309,902,908.13
  5. Step 5: Solve for x
    x = 5,309,902,908.13/76,950.08
  6. Step 6: Final answer
    x = 69,004.51

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1.5x scale

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.