Home / 67,800.04-101,712.81-27,276.60

Finding the Fourth Proportional to 67,800.04, 101,712.81 and 27,276.60

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Solution

The fourth proportional to 67,800.04, 101,712.81 and 27,276.60 is: 40,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,800.04 : 101,712.81 = 27,276.60 : x
  2. Step 2: Convert to fraction form
    67,800.04/101,712.81 = 27,276.60/x
  3. Step 3: Cross multiply
    67,800.04x = 101,712.81 × 27,276.60
  4. Step 4: Simplify right side
    67,800.04x = 2,774,379,544.82
  5. Step 5: Solve for x
    x = 2,774,379,544.82/67,800.04
  6. Step 6: Final answer
    x = 40,920.03

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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.