Home / 74,623.40-111,935.10-73,845.80

Finding the Fourth Proportional to 74,623.40, 111,935.10 and 73,845.80

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Solution

The fourth proportional to 74,623.40, 111,935.10 and 73,845.80 is: 110,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.40 : 111,935.10 = 73,845.80 : x
  2. Step 2: Convert to fraction form
    74,623.40/111,935.10 = 73,845.80/x
  3. Step 3: Cross multiply
    74,623.40x = 111,935.10 × 73,845.80
  4. Step 4: Simplify right side
    74,623.40x = 8,265,937,007.58
  5. Step 5: Solve for x
    x = 8,265,937,007.58/74,623.40
  6. Step 6: Final answer
    x = 110,768.70

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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.