Home / 73,631.70-101,582.51-42,581.21

Finding the Fourth Proportional to 73,631.70, 101,582.51 and 42,581.21

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Solution

The fourth proportional to 73,631.70, 101,582.51 and 42,581.21 is: 58,745.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,631.70 : 101,582.51 = 42,581.21 : x
  2. Step 2: Convert to fraction form
    73,631.70/101,582.51 = 42,581.21/x
  3. Step 3: Cross multiply
    73,631.70x = 101,582.51 × 42,581.21
  4. Step 4: Simplify right side
    73,631.70x = 4,325,505,469.82
  5. Step 5: Solve for x
    x = 4,325,505,469.82/73,631.70
  6. Step 6: Final answer
    x = 58,745.15

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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.