Home / 67,235.36-100,777.16-29,790.50

Finding the Fourth Proportional to 67,235.36, 100,777.16 and 29,790.50

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Solution

The fourth proportional to 67,235.36, 100,777.16 and 29,790.50 is: 44,652.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,235.36 : 100,777.16 = 29,790.50 : x
  2. Step 2: Convert to fraction form
    67,235.36/100,777.16 = 29,790.50/x
  3. Step 3: Cross multiply
    67,235.36x = 100,777.16 × 29,790.50
  4. Step 4: Simplify right side
    67,235.36x = 3,002,201,332.14
  5. Step 5: Solve for x
    x = 3,002,201,332.14/67,235.36
  6. Step 6: Final answer
    x = 44,652.12

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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.