Home / 101,049.40-151,574.10-74,477.35

Finding the Fourth Proportional to 101,049.40, 151,574.10 and 74,477.35

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Solution

The fourth proportional to 101,049.40, 151,574.10 and 74,477.35 is: 111,716.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,049.40 : 151,574.10 = 74,477.35 : x
  2. Step 2: Convert to fraction form
    101,049.40/151,574.10 = 74,477.35/x
  3. Step 3: Cross multiply
    101,049.40x = 151,574.10 × 74,477.35
  4. Step 4: Simplify right side
    101,049.40x = 11,288,837,296.64
  5. Step 5: Solve for x
    x = 11,288,837,296.64/101,049.40
  6. Step 6: Final answer
    x = 111,716.03

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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.