Home / 73,006.83-109,510.38-20,416.77

Finding the Fourth Proportional to 73,006.83, 109,510.38 and 20,416.77

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Solution

The fourth proportional to 73,006.83, 109,510.38 and 20,416.77 is: 30,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,006.83 : 109,510.38 = 20,416.77 : x
  2. Step 2: Convert to fraction form
    73,006.83/109,510.38 = 20,416.77/x
  3. Step 3: Cross multiply
    73,006.83x = 109,510.38 × 20,416.77
  4. Step 4: Simplify right side
    73,006.83x = 2,235,848,241.07
  5. Step 5: Solve for x
    x = 2,235,848,241.07/73,006.83
  6. Step 6: Final answer
    x = 30,625.19

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1.5x scale

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.