Home / 74,313.36-111,470.13-31,607.73

Finding the Fourth Proportional to 74,313.36, 111,470.13 and 31,607.73

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Solution

The fourth proportional to 74,313.36, 111,470.13 and 31,607.73 is: 47,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313.36 : 111,470.13 = 31,607.73 : x
  2. Step 2: Convert to fraction form
    74,313.36/111,470.13 = 31,607.73/x
  3. Step 3: Cross multiply
    74,313.36x = 111,470.13 × 31,607.73
  4. Step 4: Simplify right side
    74,313.36x = 3,523,317,911.44
  5. Step 5: Solve for x
    x = 3,523,317,911.44/74,313.36
  6. Step 6: Final answer
    x = 47,411.63

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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.