Home / 67,977.12-101,976.03-34,679.00

Finding the Fourth Proportional to 67,977.12, 101,976.03 and 34,679.00

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Solution

The fourth proportional to 67,977.12, 101,976.03 and 34,679.00 is: 52,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,977.12 : 101,976.03 = 34,679.00 : x
  2. Step 2: Convert to fraction form
    67,977.12/101,976.03 = 34,679.00/x
  3. Step 3: Cross multiply
    67,977.12x = 101,976.03 × 34,679.00
  4. Step 4: Simplify right side
    67,977.12x = 3,536,426,999.31
  5. Step 5: Solve for x
    x = 3,536,426,999.31/67,977.12
  6. Step 6: Final answer
    x = 52,023.78

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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.