Home / 67,820.04-101,728.98-18,572.04

Finding the Fourth Proportional to 67,820.04, 101,728.98 and 18,572.04

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Solution

The fourth proportional to 67,820.04, 101,728.98 and 18,572.04 is: 27,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,820.04 : 101,728.98 = 18,572.04 : x
  2. Step 2: Convert to fraction form
    67,820.04/101,728.98 = 18,572.04/x
  3. Step 3: Cross multiply
    67,820.04x = 101,728.98 × 18,572.04
  4. Step 4: Simplify right side
    67,820.04x = 1,889,314,685.72
  5. Step 5: Solve for x
    x = 1,889,314,685.72/67,820.04
  6. Step 6: Final answer
    x = 27,857.76

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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.