Home / 71,777.06-99,055.60-41,563.70

Finding the Fourth Proportional to 71,777.06, 99,055.60 and 41,563.70

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Solution

The fourth proportional to 71,777.06, 99,055.60 and 41,563.70 is: 57,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,777.06 : 99,055.60 = 41,563.70 : x
  2. Step 2: Convert to fraction form
    71,777.06/99,055.60 = 41,563.70/x
  3. Step 3: Cross multiply
    71,777.06x = 99,055.60 × 41,563.70
  4. Step 4: Simplify right side
    71,777.06x = 4,117,117,241.72
  5. Step 5: Solve for x
    x = 4,117,117,241.72/71,777.06
  6. Step 6: Final answer
    x = 57,359.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.