Home / 74,470.40-111,610.56-34,940.24

Finding the Fourth Proportional to 74,470.40, 111,610.56 and 34,940.24

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Solution

The fourth proportional to 74,470.40, 111,610.56 and 34,940.24 is: 52,365.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,470.40 : 111,610.56 = 34,940.24 : x
  2. Step 2: Convert to fraction form
    74,470.40/111,610.56 = 34,940.24/x
  3. Step 3: Cross multiply
    74,470.40x = 111,610.56 × 34,940.24
  4. Step 4: Simplify right side
    74,470.40x = 3,899,699,752.93
  5. Step 5: Solve for x
    x = 3,899,699,752.93/74,470.40
  6. Step 6: Final answer
    x = 52,365.77

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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.