Home / 74,336.47-111,457.32-31,618.96

Finding the Fourth Proportional to 74,336.47, 111,457.32 and 31,618.96

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Solution

The fourth proportional to 74,336.47, 111,457.32 and 31,618.96 is: 47,408.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,336.47 : 111,457.32 = 31,618.96 : x
  2. Step 2: Convert to fraction form
    74,336.47/111,457.32 = 31,618.96/x
  3. Step 3: Cross multiply
    74,336.47x = 111,457.32 × 31,618.96
  4. Step 4: Simplify right side
    74,336.47x = 3,524,164,542.79
  5. Step 5: Solve for x
    x = 3,524,164,542.79/74,336.47
  6. Step 6: Final answer
    x = 47,408.28

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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.