Home / 73,199.13-101,014.79-39,665.13

Finding the Fourth Proportional to 73,199.13, 101,014.79 and 39,665.13

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Solution

The fourth proportional to 73,199.13, 101,014.79 and 39,665.13 is: 54,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,199.13 : 101,014.79 = 39,665.13 : x
  2. Step 2: Convert to fraction form
    73,199.13/101,014.79 = 39,665.13/x
  3. Step 3: Cross multiply
    73,199.13x = 101,014.79 × 39,665.13
  4. Step 4: Simplify right side
    73,199.13x = 4,006,764,777.27
  5. Step 5: Solve for x
    x = 4,006,764,777.27/73,199.13
  6. Step 6: Final answer
    x = 54,737.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.