Home / 73,239.24-109,832.88-31,663.56

Finding the Fourth Proportional to 73,239.24, 109,832.88 and 31,663.56

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Solution

The fourth proportional to 73,239.24, 109,832.88 and 31,663.56 is: 47,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,239.24 : 109,832.88 = 31,663.56 : x
  2. Step 2: Convert to fraction form
    73,239.24/109,832.88 = 31,663.56/x
  3. Step 3: Cross multiply
    73,239.24x = 109,832.88 × 31,663.56
  4. Step 4: Simplify right side
    73,239.24x = 3,477,699,985.85
  5. Step 5: Solve for x
    x = 3,477,699,985.85/73,239.24
  6. Step 6: Final answer
    x = 47,484.11

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1.5x scale

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.