Home / 100,765.08-151,048.98-37,538.82

Finding the Fourth Proportional to 100,765.08, 151,048.98 and 37,538.82

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Solution

The fourth proportional to 100,765.08, 151,048.98 and 37,538.82 is: 56,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,765.08 : 151,048.98 = 37,538.82 : x
  2. Step 2: Convert to fraction form
    100,765.08/151,048.98 = 37,538.82/x
  3. Step 3: Cross multiply
    100,765.08x = 151,048.98 × 37,538.82
  4. Step 4: Simplify right side
    100,765.08x = 5,670,200,471.40
  5. Step 5: Solve for x
    x = 5,670,200,471.40/100,765.08
  6. Step 6: Final answer
    x = 56,271.48

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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.