Home / 73,749.60-101,768.40-41,911.20

Finding the Fourth Proportional to 73,749.60, 101,768.40 and 41,911.20

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Solution

The fourth proportional to 73,749.60, 101,768.40 and 41,911.20 is: 57,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,749.60 : 101,768.40 = 41,911.20 : x
  2. Step 2: Convert to fraction form
    73,749.60/101,768.40 = 41,911.20/x
  3. Step 3: Cross multiply
    73,749.60x = 101,768.40 × 41,911.20
  4. Step 4: Simplify right side
    73,749.60x = 4,265,235,766.08
  5. Step 5: Solve for x
    x = 4,265,235,766.08/73,749.60
  6. Step 6: Final answer
    x = 57,834.02

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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.