Home / 101,244.74-151,751.88-45,000.36

Finding the Fourth Proportional to 101,244.74, 151,751.88 and 45,000.36

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Solution

The fourth proportional to 101,244.74, 151,751.88 and 45,000.36 is: 67,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.74 : 151,751.88 = 45,000.36 : x
  2. Step 2: Convert to fraction form
    101,244.74/151,751.88 = 45,000.36/x
  3. Step 3: Cross multiply
    101,244.74x = 151,751.88 × 45,000.36
  4. Step 4: Simplify right side
    101,244.74x = 6,828,889,230.68
  5. Step 5: Solve for x
    x = 6,828,889,230.68/101,244.74
  6. Step 6: Final answer
    x = 67,449.33

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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.