Home / 73,242.48-109,869.23-31,117.83

Finding the Fourth Proportional to 73,242.48, 109,869.23 and 31,117.83

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Solution

The fourth proportional to 73,242.48, 109,869.23 and 31,117.83 is: 46,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,242.48 : 109,869.23 = 31,117.83 : x
  2. Step 2: Convert to fraction form
    73,242.48/109,869.23 = 31,117.83/x
  3. Step 3: Cross multiply
    73,242.48x = 109,869.23 × 31,117.83
  4. Step 4: Simplify right side
    73,242.48x = 3,418,892,021.37
  5. Step 5: Solve for x
    x = 3,418,892,021.37/73,242.48
  6. Step 6: Final answer
    x = 46,679.09

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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.