Home / 49,900.50-68,742.09-42,707.32

Finding the Fourth Proportional to 49,900.50, 68,742.09 and 42,707.32

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Solution

The fourth proportional to 49,900.50, 68,742.09 and 42,707.32 is: 58,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,900.50 : 68,742.09 = 42,707.32 : x
  2. Step 2: Convert to fraction form
    49,900.50/68,742.09 = 42,707.32/x
  3. Step 3: Cross multiply
    49,900.50x = 68,742.09 × 42,707.32
  4. Step 4: Simplify right side
    49,900.50x = 2,935,790,263.24
  5. Step 5: Solve for x
    x = 2,935,790,263.24/49,900.50
  6. Step 6: Final answer
    x = 58,832.88

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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.