Home / 73,203.24-109,782.90-31,082.52

Finding the Fourth Proportional to 73,203.24, 109,782.90 and 31,082.52

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Solution

The fourth proportional to 73,203.24, 109,782.90 and 31,082.52 is: 46,614.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,203.24 : 109,782.90 = 31,082.52 : x
  2. Step 2: Convert to fraction form
    73,203.24/109,782.90 = 31,082.52/x
  3. Step 3: Cross multiply
    73,203.24x = 109,782.90 × 31,082.52
  4. Step 4: Simplify right side
    73,203.24x = 3,412,329,184.91
  5. Step 5: Solve for x
    x = 3,412,329,184.91/73,203.24
  6. Step 6: Final answer
    x = 46,614.46

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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.