Home / 75,538.98-104,249.16-50,000.76

Finding the Fourth Proportional to 75,538.98, 104,249.16 and 50,000.76

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Solution

The fourth proportional to 75,538.98, 104,249.16 and 50,000.76 is: 69,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,538.98 : 104,249.16 = 50,000.76 : x
  2. Step 2: Convert to fraction form
    75,538.98/104,249.16 = 50,000.76/x
  3. Step 3: Cross multiply
    75,538.98x = 104,249.16 × 50,000.76
  4. Step 4: Simplify right side
    75,538.98x = 5,212,537,229.36
  5. Step 5: Solve for x
    x = 5,212,537,229.36/75,538.98
  6. Step 6: Final answer
    x = 69,004.60

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Half scale
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Double scale
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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.