Home / 74,256.12-111,321.63-50,497.11

Finding the Fourth Proportional to 74,256.12, 111,321.63 and 50,497.11

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Solution

The fourth proportional to 74,256.12, 111,321.63 and 50,497.11 is: 75,703.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,256.12 : 111,321.63 = 50,497.11 : x
  2. Step 2: Convert to fraction form
    74,256.12/111,321.63 = 50,497.11/x
  3. Step 3: Cross multiply
    74,256.12x = 111,321.63 × 50,497.11
  4. Step 4: Simplify right side
    74,256.12x = 5,621,420,595.49
  5. Step 5: Solve for x
    x = 5,621,420,595.49/74,256.12
  6. Step 6: Final answer
    x = 75,703.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.